Home / 229,793.20-317,110-127,816.48

Finding the Fourth Proportional to 229,793.20, 317,110 and 127,816.48

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Solution

The fourth proportional to 229,793.20, 317,110 and 127,816.48 is: 176,384.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,793.20 : 317,110 = 127,816.48 : x
  2. Step 2: Convert to fraction form
    229,793.20/317,110 = 127,816.48/x
  3. Step 3: Cross multiply
    229,793.20x = 317,110 × 127,816.48
  4. Step 4: Simplify right side
    229,793.20x = 40,531,883,972.80
  5. Step 5: Solve for x
    x = 40,531,883,972.80/229,793.20
  6. Step 6: Final answer
    x = 176,384.17

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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.