Home / 168,359.40-232,328.72-91,876.57

Finding the Fourth Proportional to 168,359.40, 232,328.72 and 91,876.57

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Solution

The fourth proportional to 168,359.40, 232,328.72 and 91,876.57 is: 126,785.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,359.40 : 232,328.72 = 91,876.57 : x
  2. Step 2: Convert to fraction form
    168,359.40/232,328.72 = 91,876.57/x
  3. Step 3: Cross multiply
    168,359.40x = 232,328.72 × 91,876.57
  4. Step 4: Simplify right side
    168,359.40x = 21,345,565,554.96
  5. Step 5: Solve for x
    x = 21,345,565,554.96/168,359.40
  6. Step 6: Final answer
    x = 126,785.71

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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.