Home / 156,763.28-235,095.24-51,557.78

Finding the Fourth Proportional to 156,763.28, 235,095.24 and 51,557.78

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Solution

The fourth proportional to 156,763.28, 235,095.24 and 51,557.78 is: 77,320.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,763.28 : 235,095.24 = 51,557.78 : x
  2. Step 2: Convert to fraction form
    156,763.28/235,095.24 = 51,557.78/x
  3. Step 3: Cross multiply
    156,763.28x = 235,095.24 × 51,557.78
  4. Step 4: Simplify right side
    156,763.28x = 12,120,988,662.97
  5. Step 5: Solve for x
    x = 12,120,988,662.97/156,763.28
  6. Step 6: Final answer
    x = 77,320.33

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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.