Home / 162,345.28-223,891.42-101,921.55

Finding the Fourth Proportional to 162,345.28, 223,891.42 and 101,921.55

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Solution

The fourth proportional to 162,345.28, 223,891.42 and 101,921.55 is: 140,560.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,345.28 : 223,891.42 = 101,921.55 : x
  2. Step 2: Convert to fraction form
    162,345.28/223,891.42 = 101,921.55/x
  3. Step 3: Cross multiply
    162,345.28x = 223,891.42 × 101,921.55
  4. Step 4: Simplify right side
    162,345.28x = 22,819,359,743.57
  5. Step 5: Solve for x
    x = 22,819,359,743.57/162,345.28
  6. Step 6: Final answer
    x = 140,560.66

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1.5x scale

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.