Home / 163,132.19-225,132.77-91,516.85

Finding the Fourth Proportional to 163,132.19, 225,132.77 and 91,516.85

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Solution

The fourth proportional to 163,132.19, 225,132.77 and 91,516.85 is: 126,299.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,132.19 : 225,132.77 = 91,516.85 : x
  2. Step 2: Convert to fraction form
    163,132.19/225,132.77 = 91,516.85/x
  3. Step 3: Cross multiply
    163,132.19x = 225,132.77 × 91,516.85
  4. Step 4: Simplify right side
    163,132.19x = 20,603,441,484.59
  5. Step 5: Solve for x
    x = 20,603,441,484.59/163,132.19
  6. Step 6: Final answer
    x = 126,299.06

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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.