Home / 229,170.33-316,255.17-127,195.83

Finding the Fourth Proportional to 229,170.33, 316,255.17 and 127,195.83

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Solution

The fourth proportional to 229,170.33, 316,255.17 and 127,195.83 is: 175,530.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,170.33 : 316,255.17 = 127,195.83 : x
  2. Step 2: Convert to fraction form
    229,170.33/316,255.17 = 127,195.83/x
  3. Step 3: Cross multiply
    229,170.33x = 316,255.17 × 127,195.83
  4. Step 4: Simplify right side
    229,170.33x = 40,226,338,839.94
  5. Step 5: Solve for x
    x = 40,226,338,839.94/229,170.33
  6. Step 6: Final answer
    x = 175,530.31

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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.