Home / 531,438.24-797,155.20-132,071.52

Finding the Fourth Proportional to 531,438.24, 797,155.20 and 132,071.52

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Solution

The fourth proportional to 531,438.24, 797,155.20 and 132,071.52 is: 198,106.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,438.24 : 797,155.20 = 132,071.52 : x
  2. Step 2: Convert to fraction form
    531,438.24/797,155.20 = 132,071.52/x
  3. Step 3: Cross multiply
    531,438.24x = 797,155.20 × 132,071.52
  4. Step 4: Simplify right side
    531,438.24x = 105,281,498,939.90
  5. Step 5: Solve for x
    x = 105,281,498,939.90/531,438.24
  6. Step 6: Final answer
    x = 198,106.74

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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.