Home / 168,397.33-232,382.53-100,379.24

Finding the Fourth Proportional to 168,397.33, 232,382.53 and 100,379.24

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Solution

The fourth proportional to 168,397.33, 232,382.53 and 100,379.24 is: 138,519.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,397.33 : 232,382.53 = 100,379.24 : x
  2. Step 2: Convert to fraction form
    168,397.33/232,382.53 = 100,379.24/x
  3. Step 3: Cross multiply
    168,397.33x = 232,382.53 × 100,379.24
  4. Step 4: Simplify right side
    168,397.33x = 23,326,381,400.04
  5. Step 5: Solve for x
    x = 23,326,381,400.04/168,397.33
  6. Step 6: Final answer
    x = 138,519.90

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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.