Home / 107,632.42-148,553.30-71,269.76

Finding the Fourth Proportional to 107,632.42, 148,553.30 and 71,269.76

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Solution

The fourth proportional to 107,632.42, 148,553.30 and 71,269.76 is: 98,365.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,632.42 : 148,553.30 = 71,269.76 : x
  2. Step 2: Convert to fraction form
    107,632.42/148,553.30 = 71,269.76/x
  3. Step 3: Cross multiply
    107,632.42x = 148,553.30 × 71,269.76
  4. Step 4: Simplify right side
    107,632.42x = 10,587,358,053.24
  5. Step 5: Solve for x
    x = 10,587,358,053.24/107,632.42
  6. Step 6: Final answer
    x = 98,365.89

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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.