Home / 172,780.62-238,456.67-96,306.70

Finding the Fourth Proportional to 172,780.62, 238,456.67 and 96,306.70

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Solution

The fourth proportional to 172,780.62, 238,456.67 and 96,306.70 is: 132,914.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,780.62 : 238,456.67 = 96,306.70 : x
  2. Step 2: Convert to fraction form
    172,780.62/238,456.67 = 96,306.70/x
  3. Step 3: Cross multiply
    172,780.62x = 238,456.67 × 96,306.70
  4. Step 4: Simplify right side
    172,780.62x = 22,964,974,980.69
  5. Step 5: Solve for x
    x = 22,964,974,980.69/172,780.62
  6. Step 6: Final answer
    x = 132,914.07

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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.