Home / 143,890.01-215,834.85-38,708.97

Finding the Fourth Proportional to 143,890.01, 215,834.85 and 38,708.97

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Solution

The fourth proportional to 143,890.01, 215,834.85 and 38,708.97 is: 58,063.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,890.01 : 215,834.85 = 38,708.97 : x
  2. Step 2: Convert to fraction form
    143,890.01/215,834.85 = 38,708.97/x
  3. Step 3: Cross multiply
    143,890.01x = 215,834.85 × 38,708.97
  4. Step 4: Simplify right side
    143,890.01x = 8,354,744,733.60
  5. Step 5: Solve for x
    x = 8,354,744,733.60/143,890.01
  6. Step 6: Final answer
    x = 58,063.41

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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.