Home / 267,830.59-401,465.55-90,276.23

Finding the Fourth Proportional to 267,830.59, 401,465.55 and 90,276.23

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Solution

The fourth proportional to 267,830.59, 401,465.55 and 90,276.23 is: 135,319.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,830.59 : 401,465.55 = 90,276.23 : x
  2. Step 2: Convert to fraction form
    267,830.59/401,465.55 = 90,276.23/x
  3. Step 3: Cross multiply
    267,830.59x = 401,465.55 × 90,276.23
  4. Step 4: Simplify right side
    267,830.59x = 36,242,794,321.55
  5. Step 5: Solve for x
    x = 36,242,794,321.55/267,830.59
  6. Step 6: Final answer
    x = 135,319.85

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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.