Home / 132,139.91-182,354.41-71,711.07

Finding the Fourth Proportional to 132,139.91, 182,354.41 and 71,711.07

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Solution

The fourth proportional to 132,139.91, 182,354.41 and 71,711.07 is: 98,962.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,139.91 : 182,354.41 = 71,711.07 : x
  2. Step 2: Convert to fraction form
    132,139.91/182,354.41 = 71,711.07/x
  3. Step 3: Cross multiply
    132,139.91x = 182,354.41 × 71,711.07
  4. Step 4: Simplify right side
    132,139.91x = 13,076,829,501.76
  5. Step 5: Solve for x
    x = 13,076,829,501.76/132,139.91
  6. Step 6: Final answer
    x = 98,962.00

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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.