Home / 123,326.55-170,190.64-66,737.92

Finding the Fourth Proportional to 123,326.55, 170,190.64 and 66,737.92

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Solution

The fourth proportional to 123,326.55, 170,190.64 and 66,737.92 is: 92,098.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,326.55 : 170,190.64 = 66,737.92 : x
  2. Step 2: Convert to fraction form
    123,326.55/170,190.64 = 66,737.92/x
  3. Step 3: Cross multiply
    123,326.55x = 170,190.64 × 66,737.92
  4. Step 4: Simplify right side
    123,326.55x = 11,358,169,408.86
  5. Step 5: Solve for x
    x = 11,358,169,408.86/123,326.55
  6. Step 6: Final answer
    x = 92,098.33

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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.