Home / 157,678.73-236,549.25-57,839.85

Finding the Fourth Proportional to 157,678.73, 236,549.25 and 57,839.85

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Solution

The fourth proportional to 157,678.73, 236,549.25 and 57,839.85 is: 86,771.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,678.73 : 236,549.25 = 57,839.85 : x
  2. Step 2: Convert to fraction form
    157,678.73/236,549.25 = 57,839.85/x
  3. Step 3: Cross multiply
    157,678.73x = 236,549.25 × 57,839.85
  4. Step 4: Simplify right side
    157,678.73x = 13,681,973,137.61
  5. Step 5: Solve for x
    x = 13,681,973,137.61/157,678.73
  6. Step 6: Final answer
    x = 86,771.20

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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.