Home / 229,939.35-317,044.89-157,377.24

Finding the Fourth Proportional to 229,939.35, 317,044.89 and 157,377.24

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Solution

The fourth proportional to 229,939.35, 317,044.89 and 157,377.24 is: 216,994.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,939.35 : 317,044.89 = 157,377.24 : x
  2. Step 2: Convert to fraction form
    229,939.35/317,044.89 = 157,377.24/x
  3. Step 3: Cross multiply
    229,939.35x = 317,044.89 × 157,377.24
  4. Step 4: Simplify right side
    229,939.35x = 49,895,649,744.30
  5. Step 5: Solve for x
    x = 49,895,649,744.30/229,939.35
  6. Step 6: Final answer
    x = 216,994.83

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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.