Home / 267,549.96-401,366.40-90,043.14

Finding the Fourth Proportional to 267,549.96, 401,366.40 and 90,043.14

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Solution

The fourth proportional to 267,549.96, 401,366.40 and 90,043.14 is: 135,078.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,549.96 : 401,366.40 = 90,043.14 : x
  2. Step 2: Convert to fraction form
    267,549.96/401,366.40 = 90,043.14/x
  3. Step 3: Cross multiply
    267,549.96x = 401,366.40 × 90,043.14
  4. Step 4: Simplify right side
    267,549.96x = 36,140,290,946.50
  5. Step 5: Solve for x
    x = 36,140,290,946.50/267,549.96
  6. Step 6: Final answer
    x = 135,078.66

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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.