Home / 514,151.76-771,264.36-159,120.12

Finding the Fourth Proportional to 514,151.76, 771,264.36 and 159,120.12

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Solution

The fourth proportional to 514,151.76, 771,264.36 and 159,120.12 is: 238,691.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,151.76 : 771,264.36 = 159,120.12 : x
  2. Step 2: Convert to fraction form
    514,151.76/771,264.36 = 159,120.12/x
  3. Step 3: Cross multiply
    514,151.76x = 771,264.36 × 159,120.12
  4. Step 4: Simplify right side
    514,151.76x = 122,723,677,514.92
  5. Step 5: Solve for x
    x = 122,723,677,514.92/514,151.76
  6. Step 6: Final answer
    x = 238,691.54

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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.