Home / 156,121.20-234,095.40-62,521.20

Finding the Fourth Proportional to 156,121.20, 234,095.40 and 62,521.20

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Solution

The fourth proportional to 156,121.20, 234,095.40 and 62,521.20 is: 93,747.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,121.20 : 234,095.40 = 62,521.20 : x
  2. Step 2: Convert to fraction form
    156,121.20/234,095.40 = 62,521.20/x
  3. Step 3: Cross multiply
    156,121.20x = 234,095.40 × 62,521.20
  4. Step 4: Simplify right side
    156,121.20x = 14,635,925,322.48
  5. Step 5: Solve for x
    x = 14,635,925,322.48/156,121.20
  6. Step 6: Final answer
    x = 93,747.20

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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.