Home / 140,916.92-211,397.24-47,415.38

Finding the Fourth Proportional to 140,916.92, 211,397.24 and 47,415.38

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Solution

The fourth proportional to 140,916.92, 211,397.24 and 47,415.38 is: 71,130.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,916.92 : 211,397.24 = 47,415.38 : x
  2. Step 2: Convert to fraction form
    140,916.92/211,397.24 = 47,415.38/x
  3. Step 3: Cross multiply
    140,916.92x = 211,397.24 × 47,415.38
  4. Step 4: Simplify right side
    140,916.92x = 10,023,479,527.10
  5. Step 5: Solve for x
    x = 10,023,479,527.10/140,916.92
  6. Step 6: Final answer
    x = 71,130.42

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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.