Home / 537,984.40-807,082.92-158,911.72

Finding the Fourth Proportional to 537,984.40, 807,082.92 and 158,911.72

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Solution

The fourth proportional to 537,984.40, 807,082.92 and 158,911.72 is: 238,398.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,984.40 : 807,082.92 = 158,911.72 : x
  2. Step 2: Convert to fraction form
    537,984.40/807,082.92 = 158,911.72/x
  3. Step 3: Cross multiply
    537,984.40x = 807,082.92 × 158,911.72
  4. Step 4: Simplify right side
    537,984.40x = 128,254,934,999.82
  5. Step 5: Solve for x
    x = 128,254,934,999.82/537,984.40
  6. Step 6: Final answer
    x = 238,398.99

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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.