Home / 157,687.38-236,562.19-57,848.40

Finding the Fourth Proportional to 157,687.38, 236,562.19 and 57,848.40

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Solution

The fourth proportional to 157,687.38, 236,562.19 and 57,848.40 is: 86,784.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,687.38 : 236,562.19 = 57,848.40 : x
  2. Step 2: Convert to fraction form
    157,687.38/236,562.19 = 57,848.40/x
  3. Step 3: Cross multiply
    157,687.38x = 236,562.19 × 57,848.40
  4. Step 4: Simplify right side
    157,687.38x = 13,684,744,047.38
  5. Step 5: Solve for x
    x = 13,684,744,047.38/157,687.38
  6. Step 6: Final answer
    x = 86,784.02

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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.