Home / 157,436.20-236,132.70-52,244.20

Finding the Fourth Proportional to 157,436.20, 236,132.70 and 52,244.20

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Solution

The fourth proportional to 157,436.20, 236,132.70 and 52,244.20 is: 78,359.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,436.20 : 236,132.70 = 52,244.20 : x
  2. Step 2: Convert to fraction form
    157,436.20/236,132.70 = 52,244.20/x
  3. Step 3: Cross multiply
    157,436.20x = 236,132.70 × 52,244.20
  4. Step 4: Simplify right side
    157,436.20x = 12,336,564,005.34
  5. Step 5: Solve for x
    x = 12,336,564,005.34/157,436.20
  6. Step 6: Final answer
    x = 78,359.13

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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.