Home / 132,355.38-198,557.67-43,615.12

Finding the Fourth Proportional to 132,355.38, 198,557.67 and 43,615.12

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Solution

The fourth proportional to 132,355.38, 198,557.67 and 43,615.12 is: 65,430.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,355.38 : 198,557.67 = 43,615.12 : x
  2. Step 2: Convert to fraction form
    132,355.38/198,557.67 = 43,615.12/x
  3. Step 3: Cross multiply
    132,355.38x = 198,557.67 × 43,615.12
  4. Step 4: Simplify right side
    132,355.38x = 8,660,116,603.97
  5. Step 5: Solve for x
    x = 8,660,116,603.97/132,355.38
  6. Step 6: Final answer
    x = 65,430.79

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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.