Home / 157,724.20-236,499.90-64,124.20

Finding the Fourth Proportional to 157,724.20, 236,499.90 and 64,124.20

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Solution

The fourth proportional to 157,724.20, 236,499.90 and 64,124.20 is: 96,151.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,724.20 : 236,499.90 = 64,124.20 : x
  2. Step 2: Convert to fraction form
    157,724.20/236,499.90 = 64,124.20/x
  3. Step 3: Cross multiply
    157,724.20x = 236,499.90 × 64,124.20
  4. Step 4: Simplify right side
    157,724.20x = 15,165,366,887.58
  5. Step 5: Solve for x
    x = 15,165,366,887.58/157,724.20
  6. Step 6: Final answer
    x = 96,151.17

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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.