Home / 156,180.72-233,726.76-127,772.40

Finding the Fourth Proportional to 156,180.72, 233,726.76 and 127,772.40

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Solution

The fourth proportional to 156,180.72, 233,726.76 and 127,772.40 is: 191,213.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,180.72 : 233,726.76 = 127,772.40 : x
  2. Step 2: Convert to fraction form
    156,180.72/233,726.76 = 127,772.40/x
  3. Step 3: Cross multiply
    156,180.72x = 233,726.76 × 127,772.40
  4. Step 4: Simplify right side
    156,180.72x = 29,863,829,069.42
  5. Step 5: Solve for x
    x = 29,863,829,069.42/156,180.72
  6. Step 6: Final answer
    x = 191,213.29

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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.