Home / 211,482.04-291,853.40-115,992.76

Finding the Fourth Proportional to 211,482.04, 291,853.40 and 115,992.76

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Solution

The fourth proportional to 211,482.04, 291,853.40 and 115,992.76 is: 160,074.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,482.04 : 291,853.40 = 115,992.76 : x
  2. Step 2: Convert to fraction form
    211,482.04/291,853.40 = 115,992.76/x
  3. Step 3: Cross multiply
    211,482.04x = 291,853.40 × 115,992.76
  4. Step 4: Simplify right side
    211,482.04x = 33,852,881,381.38
  5. Step 5: Solve for x
    x = 33,852,881,381.38/211,482.04
  6. Step 6: Final answer
    x = 160,074.50

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.