Home / 129,059.07-178,124.33-96,516.74

Finding the Fourth Proportional to 129,059.07, 178,124.33 and 96,516.74

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Solution

The fourth proportional to 129,059.07, 178,124.33 and 96,516.74 is: 133,210.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,059.07 : 178,124.33 = 96,516.74 : x
  2. Step 2: Convert to fraction form
    129,059.07/178,124.33 = 96,516.74/x
  3. Step 3: Cross multiply
    129,059.07x = 178,124.33 × 96,516.74
  4. Step 4: Simplify right side
    129,059.07x = 17,191,979,646.28
  5. Step 5: Solve for x
    x = 17,191,979,646.28/129,059.07
  6. Step 6: Final answer
    x = 133,210.16

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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.