Home / 133,087.90-199,631.85-127,839.10

Finding the Fourth Proportional to 133,087.90, 199,631.85 and 127,839.10

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Solution

The fourth proportional to 133,087.90, 199,631.85 and 127,839.10 is: 191,758.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,087.90 : 199,631.85 = 127,839.10 : x
  2. Step 2: Convert to fraction form
    133,087.90/199,631.85 = 127,839.10/x
  3. Step 3: Cross multiply
    133,087.90x = 199,631.85 × 127,839.10
  4. Step 4: Simplify right side
    133,087.90x = 25,520,756,035.34
  5. Step 5: Solve for x
    x = 25,520,756,035.34/133,087.90
  6. Step 6: Final answer
    x = 191,758.65

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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.