Home / 156,738.50-234,877.28-92,630.66

Finding the Fourth Proportional to 156,738.50, 234,877.28 and 92,630.66

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Solution

The fourth proportional to 156,738.50, 234,877.28 and 92,630.66 is: 138,809.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,738.50 : 234,877.28 = 92,630.66 : x
  2. Step 2: Convert to fraction form
    156,738.50/234,877.28 = 92,630.66/x
  3. Step 3: Cross multiply
    156,738.50x = 234,877.28 × 92,630.66
  4. Step 4: Simplify right side
    156,738.50x = 21,756,837,465.40
  5. Step 5: Solve for x
    x = 21,756,837,465.40/156,738.50
  6. Step 6: Final answer
    x = 138,809.78

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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.