Home / 143,518.13-215,278.28-50,023.97

Finding the Fourth Proportional to 143,518.13, 215,278.28 and 50,023.97

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Solution

The fourth proportional to 143,518.13, 215,278.28 and 50,023.97 is: 75,036.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,518.13 : 215,278.28 = 50,023.97 : x
  2. Step 2: Convert to fraction form
    143,518.13/215,278.28 = 50,023.97/x
  3. Step 3: Cross multiply
    143,518.13x = 215,278.28 × 50,023.97
  4. Step 4: Simplify right side
    143,518.13x = 10,769,073,970.25
  5. Step 5: Solve for x
    x = 10,769,073,970.25/143,518.13
  6. Step 6: Final answer
    x = 75,036.33

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1.5x scale

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.