Home / 267,902.12-401,572.56-90,347.96

Finding the Fourth Proportional to 267,902.12, 401,572.56 and 90,347.96

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Solution

The fourth proportional to 267,902.12, 401,572.56 and 90,347.96 is: 135,427.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,902.12 : 401,572.56 = 90,347.96 : x
  2. Step 2: Convert to fraction form
    267,902.12/401,572.56 = 90,347.96/x
  3. Step 3: Cross multiply
    267,902.12x = 401,572.56 × 90,347.96
  4. Step 4: Simplify right side
    267,902.12x = 36,281,261,587.98
  5. Step 5: Solve for x
    x = 36,281,261,587.98/267,902.12
  6. Step 6: Final answer
    x = 135,427.30

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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.