Home / 168,084.91-231,951.29-91,602.45

Finding the Fourth Proportional to 168,084.91, 231,951.29 and 91,602.45

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Solution

The fourth proportional to 168,084.91, 231,951.29 and 91,602.45 is: 126,408.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,084.91 : 231,951.29 = 91,602.45 : x
  2. Step 2: Convert to fraction form
    168,084.91/231,951.29 = 91,602.45/x
  3. Step 3: Cross multiply
    168,084.91x = 231,951.29 × 91,602.45
  4. Step 4: Simplify right side
    168,084.91x = 21,247,306,444.66
  5. Step 5: Solve for x
    x = 21,247,306,444.66/168,084.91
  6. Step 6: Final answer
    x = 126,408.17

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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.