Home / 267,802.38-401,423.25-90,248.04

Finding the Fourth Proportional to 267,802.38, 401,423.25 and 90,248.04

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Solution

The fourth proportional to 267,802.38, 401,423.25 and 90,248.04 is: 135,277.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,802.38 : 401,423.25 = 90,248.04 : x
  2. Step 2: Convert to fraction form
    267,802.38/401,423.25 = 90,248.04/x
  3. Step 3: Cross multiply
    267,802.38x = 401,423.25 × 90,248.04
  4. Step 4: Simplify right side
    267,802.38x = 36,227,661,522.93
  5. Step 5: Solve for x
    x = 36,227,661,522.93/267,802.38
  6. Step 6: Final answer
    x = 135,277.59

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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.