Home / 229,754.28-317,068.92-127,784.04

Finding the Fourth Proportional to 229,754.28, 317,068.92 and 127,784.04

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Solution

The fourth proportional to 229,754.28, 317,068.92 and 127,784.04 is: 176,346.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,754.28 : 317,068.92 = 127,784.04 : x
  2. Step 2: Convert to fraction form
    229,754.28/317,068.92 = 127,784.04/x
  3. Step 3: Cross multiply
    229,754.28x = 317,068.92 × 127,784.04
  4. Step 4: Simplify right side
    229,754.28x = 40,516,347,556.04
  5. Step 5: Solve for x
    x = 40,516,347,556.04/229,754.28
  6. Step 6: Final answer
    x = 176,346.43

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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.