Home / 487,953.30-731,925.90-132,966.75

Finding the Fourth Proportional to 487,953.30, 731,925.90 and 132,966.75

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Solution

The fourth proportional to 487,953.30, 731,925.90 and 132,966.75 is: 199,449.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,953.30 : 731,925.90 = 132,966.75 : x
  2. Step 2: Convert to fraction form
    487,953.30/731,925.90 = 132,966.75/x
  3. Step 3: Cross multiply
    487,953.30x = 731,925.90 × 132,966.75
  4. Step 4: Simplify right side
    487,953.30x = 97,321,808,163.83
  5. Step 5: Solve for x
    x = 97,321,808,163.83/487,953.30
  6. Step 6: Final answer
    x = 199,449.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.