Home / 125,538.20-173,242.12-68,177.12

Finding the Fourth Proportional to 125,538.20, 173,242.12 and 68,177.12

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Solution

The fourth proportional to 125,538.20, 173,242.12 and 68,177.12 is: 94,084.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,538.20 : 173,242.12 = 68,177.12 : x
  2. Step 2: Convert to fraction form
    125,538.20/173,242.12 = 68,177.12/x
  3. Step 3: Cross multiply
    125,538.20x = 173,242.12 × 68,177.12
  4. Step 4: Simplify right side
    125,538.20x = 11,811,147,767.64
  5. Step 5: Solve for x
    x = 11,811,147,767.64/125,538.20
  6. Step 6: Final answer
    x = 94,084.10

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.