Home / 157,504.96-236,188.12-57,639.20

Finding the Fourth Proportional to 157,504.96, 236,188.12 and 57,639.20

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Solution

The fourth proportional to 157,504.96, 236,188.12 and 57,639.20 is: 86,433.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,504.96 : 236,188.12 = 57,639.20 : x
  2. Step 2: Convert to fraction form
    157,504.96/236,188.12 = 57,639.20/x
  3. Step 3: Cross multiply
    157,504.96x = 236,188.12 × 57,639.20
  4. Step 4: Simplify right side
    157,504.96x = 13,613,694,286.30
  5. Step 5: Solve for x
    x = 13,613,694,286.30/157,504.96
  6. Step 6: Final answer
    x = 86,433.43

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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.