Home / 141,493.50-212,177.98-74,918.08

Finding the Fourth Proportional to 141,493.50, 212,177.98 and 74,918.08

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Solution

The fourth proportional to 141,493.50, 212,177.98 and 74,918.08 is: 112,344.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,493.50 : 212,177.98 = 74,918.08 : x
  2. Step 2: Convert to fraction form
    141,493.50/212,177.98 = 74,918.08/x
  3. Step 3: Cross multiply
    141,493.50x = 212,177.98 × 74,918.08
  4. Step 4: Simplify right side
    141,493.50x = 15,895,967,238.75
  5. Step 5: Solve for x
    x = 15,895,967,238.75/141,493.50
  6. Step 6: Final answer
    x = 112,344.15

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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.