Home / 97,404.20-146,106.30-91,572.20

Finding the Fourth Proportional to 97,404.20, 146,106.30 and 91,572.20

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Solution

The fourth proportional to 97,404.20, 146,106.30 and 91,572.20 is: 137,358.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,404.20 : 146,106.30 = 91,572.20 : x
  2. Step 2: Convert to fraction form
    97,404.20/146,106.30 = 91,572.20/x
  3. Step 3: Cross multiply
    97,404.20x = 146,106.30 × 91,572.20
  4. Step 4: Simplify right side
    97,404.20x = 13,379,275,324.86
  5. Step 5: Solve for x
    x = 13,379,275,324.86/97,404.20
  6. Step 6: Final answer
    x = 137,358.30

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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.