Home / 157,474.30-236,142.18-57,608.60

Finding the Fourth Proportional to 157,474.30, 236,142.18 and 57,608.60

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Solution

The fourth proportional to 157,474.30, 236,142.18 and 57,608.60 is: 86,387.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,474.30 : 236,142.18 = 57,608.60 : x
  2. Step 2: Convert to fraction form
    157,474.30/236,142.18 = 57,608.60/x
  3. Step 3: Cross multiply
    157,474.30x = 236,142.18 × 57,608.60
  4. Step 4: Simplify right side
    157,474.30x = 13,603,820,390.75
  5. Step 5: Solve for x
    x = 13,603,820,390.75/157,474.30
  6. Step 6: Final answer
    x = 86,387.56

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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.