Home / 211,382.04-291,707.15-115,886.69

Finding the Fourth Proportional to 211,382.04, 291,707.15 and 115,886.69

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Solution

The fourth proportional to 211,382.04, 291,707.15 and 115,886.69 is: 159,923.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,382.04 : 291,707.15 = 115,886.69 : x
  2. Step 2: Convert to fraction form
    211,382.04/291,707.15 = 115,886.69/x
  3. Step 3: Cross multiply
    211,382.04x = 291,707.15 × 115,886.69
  4. Step 4: Simplify right side
    211,382.04x = 33,804,974,024.86
  5. Step 5: Solve for x
    x = 33,804,974,024.86/211,382.04
  6. Step 6: Final answer
    x = 159,923.59

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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.