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Finding the Fourth Proportional to 229,159.80, 316,235.76 and 127,179.34

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Solution

The fourth proportional to 229,159.80, 316,235.76 and 127,179.34 is: 175,504.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,159.80 : 316,235.76 = 127,179.34 : x
  2. Step 2: Convert to fraction form
    229,159.80/316,235.76 = 127,179.34/x
  3. Step 3: Cross multiply
    229,159.80x = 316,235.76 × 127,179.34
  4. Step 4: Simplify right side
    229,159.80x = 40,218,654,450.61
  5. Step 5: Solve for x
    x = 40,218,654,450.61/229,159.80
  6. Step 6: Final answer
    x = 175,504.84

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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.