Home / 110,700.18-152,785.80-65,375.13

Finding the Fourth Proportional to 110,700.18, 152,785.80 and 65,375.13

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Solution

The fourth proportional to 110,700.18, 152,785.80 and 65,375.13 is: 90,229.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,700.18 : 152,785.80 = 65,375.13 : x
  2. Step 2: Convert to fraction form
    110,700.18/152,785.80 = 65,375.13/x
  3. Step 3: Cross multiply
    110,700.18x = 152,785.80 × 65,375.13
  4. Step 4: Simplify right side
    110,700.18x = 9,988,391,537.15
  5. Step 5: Solve for x
    x = 9,988,391,537.15/110,700.18
  6. Step 6: Final answer
    x = 90,229.23

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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.