Home / 123,326.53-170,190.77-66,737.91

Finding the Fourth Proportional to 123,326.53, 170,190.77 and 66,737.91

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Solution

The fourth proportional to 123,326.53, 170,190.77 and 66,737.91 is: 92,098.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,326.53 : 170,190.77 = 66,737.91 : x
  2. Step 2: Convert to fraction form
    123,326.53/170,190.77 = 66,737.91/x
  3. Step 3: Cross multiply
    123,326.53x = 170,190.77 × 66,737.91
  4. Step 4: Simplify right side
    123,326.53x = 11,358,176,291.09
  5. Step 5: Solve for x
    x = 11,358,176,291.09/123,326.53
  6. Step 6: Final answer
    x = 92,098.40

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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.