Home / 229,684.28-316,963.80-127,706.49

Finding the Fourth Proportional to 229,684.28, 316,963.80 and 127,706.49

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Solution

The fourth proportional to 229,684.28, 316,963.80 and 127,706.49 is: 176,234.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,684.28 : 316,963.80 = 127,706.49 : x
  2. Step 2: Convert to fraction form
    229,684.28/316,963.80 = 127,706.49/x
  3. Step 3: Cross multiply
    229,684.28x = 316,963.80 × 127,706.49
  4. Step 4: Simplify right side
    229,684.28x = 40,478,334,355.06
  5. Step 5: Solve for x
    x = 40,478,334,355.06/229,684.28
  6. Step 6: Final answer
    x = 176,234.68

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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.