Home / 211,016.66-291,210.34-115,524.04

Finding the Fourth Proportional to 211,016.66, 291,210.34 and 115,524.04

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Solution

The fourth proportional to 211,016.66, 291,210.34 and 115,524.04 is: 159,427.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,016.66 : 291,210.34 = 115,524.04 : x
  2. Step 2: Convert to fraction form
    211,016.66/291,210.34 = 115,524.04/x
  3. Step 3: Cross multiply
    211,016.66x = 291,210.34 × 115,524.04
  4. Step 4: Simplify right side
    211,016.66x = 33,641,793,949.74
  5. Step 5: Solve for x
    x = 33,641,793,949.74/211,016.66
  6. Step 6: Final answer
    x = 159,427.19

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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.