Home / 267,913.92-401,869.65-80,925.42

Finding the Fourth Proportional to 267,913.92, 401,869.65 and 80,925.42

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Solution

The fourth proportional to 267,913.92, 401,869.65 and 80,925.42 is: 121,387.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,913.92 : 401,869.65 = 80,925.42 : x
  2. Step 2: Convert to fraction form
    267,913.92/401,869.65 = 80,925.42/x
  3. Step 3: Cross multiply
    267,913.92x = 401,869.65 × 80,925.42
  4. Step 4: Simplify right side
    267,913.92x = 32,521,470,211.50
  5. Step 5: Solve for x
    x = 32,521,470,211.50/267,913.92
  6. Step 6: Final answer
    x = 121,387.76

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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.