Home / 157,687.20-236,568.60-52,507.12

Finding the Fourth Proportional to 157,687.20, 236,568.60 and 52,507.12

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Solution

The fourth proportional to 157,687.20, 236,568.60 and 52,507.12 is: 78,773.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,687.20 : 236,568.60 = 52,507.12 : x
  2. Step 2: Convert to fraction form
    157,687.20/236,568.60 = 52,507.12/x
  3. Step 3: Cross multiply
    157,687.20x = 236,568.60 × 52,507.12
  4. Step 4: Simplify right side
    157,687.20x = 12,421,535,868.43
  5. Step 5: Solve for x
    x = 12,421,535,868.43/157,687.20
  6. Step 6: Final answer
    x = 78,773.27

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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.