Home / 107,127.28-147,842.76-59,382.64

Finding the Fourth Proportional to 107,127.28, 147,842.76 and 59,382.64

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Solution

The fourth proportional to 107,127.28, 147,842.76 and 59,382.64 is: 81,951.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,127.28 : 147,842.76 = 59,382.64 : x
  2. Step 2: Convert to fraction form
    107,127.28/147,842.76 = 59,382.64/x
  3. Step 3: Cross multiply
    107,127.28x = 147,842.76 × 59,382.64
  4. Step 4: Simplify right side
    107,127.28x = 8,779,293,393.69
  5. Step 5: Solve for x
    x = 8,779,293,393.69/107,127.28
  6. Step 6: Final answer
    x = 81,951.99

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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.