Home / 229,261.35-316,400.67-127,306.65

Finding the Fourth Proportional to 229,261.35, 316,400.67 and 127,306.65

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Solution

The fourth proportional to 229,261.35, 316,400.67 and 127,306.65 is: 175,694.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,261.35 : 316,400.67 = 127,306.65 : x
  2. Step 2: Convert to fraction form
    229,261.35/316,400.67 = 127,306.65/x
  3. Step 3: Cross multiply
    229,261.35x = 316,400.67 × 127,306.65
  4. Step 4: Simplify right side
    229,261.35x = 40,279,909,355.46
  5. Step 5: Solve for x
    x = 40,279,909,355.46/229,261.35
  6. Step 6: Final answer
    x = 175,694.29

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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.