Home / 148,445.79-204,854.45-80,462.49

Finding the Fourth Proportional to 148,445.79, 204,854.45 and 80,462.49

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Solution

The fourth proportional to 148,445.79, 204,854.45 and 80,462.49 is: 111,037.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,445.79 : 204,854.45 = 80,462.49 : x
  2. Step 2: Convert to fraction form
    148,445.79/204,854.45 = 80,462.49/x
  3. Step 3: Cross multiply
    148,445.79x = 204,854.45 × 80,462.49
  4. Step 4: Simplify right side
    148,445.79x = 16,483,098,732.27
  5. Step 5: Solve for x
    x = 16,483,098,732.27/148,445.79
  6. Step 6: Final answer
    x = 111,037.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.