Home / 144,023.10-215,645.85-112,919.10

Finding the Fourth Proportional to 144,023.10, 215,645.85 and 112,919.10

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Solution

The fourth proportional to 144,023.10, 215,645.85 and 112,919.10 is: 169,073.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,023.10 : 215,645.85 = 112,919.10 : x
  2. Step 2: Convert to fraction form
    144,023.10/215,645.85 = 112,919.10/x
  3. Step 3: Cross multiply
    144,023.10x = 215,645.85 × 112,919.10
  4. Step 4: Simplify right side
    144,023.10x = 24,350,535,300.74
  5. Step 5: Solve for x
    x = 24,350,535,300.74/144,023.10
  6. Step 6: Final answer
    x = 169,073.82

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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.