Home / 123,326.19-170,190.57-66,737.55

Finding the Fourth Proportional to 123,326.19, 170,190.57 and 66,737.55

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Solution

The fourth proportional to 123,326.19, 170,190.57 and 66,737.55 is: 92,098.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,326.19 : 170,190.57 = 66,737.55 : x
  2. Step 2: Convert to fraction form
    123,326.19/170,190.57 = 66,737.55/x
  3. Step 3: Cross multiply
    123,326.19x = 170,190.57 × 66,737.55
  4. Step 4: Simplify right side
    123,326.19x = 11,358,101,674.90
  5. Step 5: Solve for x
    x = 11,358,101,674.90/123,326.19
  6. Step 6: Final answer
    x = 92,098.05

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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.