Home / 162,082.88-243,209.98-115,002.24

Finding the Fourth Proportional to 162,082.88, 243,209.98 and 115,002.24

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Solution

The fourth proportional to 162,082.88, 243,209.98 and 115,002.24 is: 172,564.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,082.88 : 243,209.98 = 115,002.24 : x
  2. Step 2: Convert to fraction form
    162,082.88/243,209.98 = 115,002.24/x
  3. Step 3: Cross multiply
    162,082.88x = 243,209.98 × 115,002.24
  4. Step 4: Simplify right side
    162,082.88x = 27,969,691,075.18
  5. Step 5: Solve for x
    x = 27,969,691,075.18/162,082.88
  6. Step 6: Final answer
    x = 172,564.13

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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.