Home / 267,536.83-401,365.38-90,038.69

Finding the Fourth Proportional to 267,536.83, 401,365.38 and 90,038.69

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Solution

The fourth proportional to 267,536.83, 401,365.38 and 90,038.69 is: 135,078.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,536.83 : 401,365.38 = 90,038.69 : x
  2. Step 2: Convert to fraction form
    267,536.83/401,365.38 = 90,038.69/x
  3. Step 3: Cross multiply
    267,536.83x = 401,365.38 × 90,038.69
  4. Step 4: Simplify right side
    267,536.83x = 36,138,413,026.55
  5. Step 5: Solve for x
    x = 36,138,413,026.55/267,536.83
  6. Step 6: Final answer
    x = 135,078.28

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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.