Home / 168,281.47-232,229.09-91,802.19

Finding the Fourth Proportional to 168,281.47, 232,229.09 and 91,802.19

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Solution

The fourth proportional to 168,281.47, 232,229.09 and 91,802.19 is: 126,687.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,281.47 : 232,229.09 = 91,802.19 : x
  2. Step 2: Convert to fraction form
    168,281.47/232,229.09 = 91,802.19/x
  3. Step 3: Cross multiply
    168,281.47x = 232,229.09 × 91,802.19
  4. Step 4: Simplify right side
    168,281.47x = 21,319,138,584.70
  5. Step 5: Solve for x
    x = 21,319,138,584.70/168,281.47
  6. Step 6: Final answer
    x = 126,687.38

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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.