Home / 385,150.68-577,755.18-104,663.88

Finding the Fourth Proportional to 385,150.68, 577,755.18 and 104,663.88

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Solution

The fourth proportional to 385,150.68, 577,755.18 and 104,663.88 is: 157,003.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,150.68 : 577,755.18 = 104,663.88 : x
  2. Step 2: Convert to fraction form
    385,150.68/577,755.18 = 104,663.88/x
  3. Step 3: Cross multiply
    385,150.68x = 577,755.18 × 104,663.88
  4. Step 4: Simplify right side
    385,150.68x = 60,470,098,828.90
  5. Step 5: Solve for x
    x = 60,470,098,828.90/385,150.68
  6. Step 6: Final answer
    x = 157,003.74

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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.