Home / 229,307.20-316,425.84-127,323.04

Finding the Fourth Proportional to 229,307.20, 316,425.84 and 127,323.04

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Solution

The fourth proportional to 229,307.20, 316,425.84 and 127,323.04 is: 175,695.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,307.20 : 316,425.84 = 127,323.04 : x
  2. Step 2: Convert to fraction form
    229,307.20/316,425.84 = 127,323.04/x
  3. Step 3: Cross multiply
    229,307.20x = 316,425.84 × 127,323.04
  4. Step 4: Simplify right side
    229,307.20x = 40,288,299,883.35
  5. Step 5: Solve for x
    x = 40,288,299,883.35/229,307.20
  6. Step 6: Final answer
    x = 175,695.75

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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.