Home / 168,081.74-231,946.03-91,599.19

Finding the Fourth Proportional to 168,081.74, 231,946.03 and 91,599.19

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Solution

The fourth proportional to 168,081.74, 231,946.03 and 91,599.19 is: 126,403.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,081.74 : 231,946.03 = 91,599.19 : x
  2. Step 2: Convert to fraction form
    168,081.74/231,946.03 = 91,599.19/x
  3. Step 3: Cross multiply
    168,081.74x = 231,946.03 × 91,599.19
  4. Step 4: Simplify right side
    168,081.74x = 21,246,069,053.42
  5. Step 5: Solve for x
    x = 21,246,069,053.42/168,081.74
  6. Step 6: Final answer
    x = 126,403.20

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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.