Home / 229,520.80-316,730.28-127,552.60

Finding the Fourth Proportional to 229,520.80, 316,730.28 and 127,552.60

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Solution

The fourth proportional to 229,520.80, 316,730.28 and 127,552.60 is: 176,017.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,520.80 : 316,730.28 = 127,552.60 : x
  2. Step 2: Convert to fraction form
    229,520.80/316,730.28 = 127,552.60/x
  3. Step 3: Cross multiply
    229,520.80x = 316,730.28 × 127,552.60
  4. Step 4: Simplify right side
    229,520.80x = 40,399,770,712.73
  5. Step 5: Solve for x
    x = 40,399,770,712.73/229,520.80
  6. Step 6: Final answer
    x = 176,017.91

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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.