Home / 157,414.30-236,121.45-52,236.70

Finding the Fourth Proportional to 157,414.30, 236,121.45 and 52,236.70

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Solution

The fourth proportional to 157,414.30, 236,121.45 and 52,236.70 is: 78,355.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,414.30 : 236,121.45 = 52,236.70 : x
  2. Step 2: Convert to fraction form
    157,414.30/236,121.45 = 52,236.70/x
  3. Step 3: Cross multiply
    157,414.30x = 236,121.45 × 52,236.70
  4. Step 4: Simplify right side
    157,414.30x = 12,334,205,347.22
  5. Step 5: Solve for x
    x = 12,334,205,347.22/157,414.30
  6. Step 6: Final answer
    x = 78,355.05

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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.