Home / 174,718.14-240,516.02-129,310.55

Finding the Fourth Proportional to 174,718.14, 240,516.02 and 129,310.55

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Solution

The fourth proportional to 174,718.14, 240,516.02 and 129,310.55 is: 178,008.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,718.14 : 240,516.02 = 129,310.55 : x
  2. Step 2: Convert to fraction form
    174,718.14/240,516.02 = 129,310.55/x
  3. Step 3: Cross multiply
    174,718.14x = 240,516.02 × 129,310.55
  4. Step 4: Simplify right side
    174,718.14x = 31,101,259,478.17
  5. Step 5: Solve for x
    x = 31,101,259,478.17/174,718.14
  6. Step 6: Final answer
    x = 178,008.19

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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.