Home / 156,411.60-234,615.20-38,083.20

Finding the Fourth Proportional to 156,411.60, 234,615.20 and 38,083.20

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Solution

The fourth proportional to 156,411.60, 234,615.20 and 38,083.20 is: 57,124.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,411.60 : 234,615.20 = 38,083.20 : x
  2. Step 2: Convert to fraction form
    156,411.60/234,615.20 = 38,083.20/x
  3. Step 3: Cross multiply
    156,411.60x = 234,615.20 × 38,083.20
  4. Step 4: Simplify right side
    156,411.60x = 8,934,897,584.64
  5. Step 5: Solve for x
    x = 8,934,897,584.64/156,411.60
  6. Step 6: Final answer
    x = 57,124.26

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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.