Home / 229,644.12-316,915.75-126,272.94

Finding the Fourth Proportional to 229,644.12, 316,915.75 and 126,272.94

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Solution

The fourth proportional to 229,644.12, 316,915.75 and 126,272.94 is: 174,260.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,644.12 : 316,915.75 = 126,272.94 : x
  2. Step 2: Convert to fraction form
    229,644.12/316,915.75 = 126,272.94/x
  3. Step 3: Cross multiply
    229,644.12x = 316,915.75 × 126,272.94
  4. Step 4: Simplify right side
    229,644.12x = 40,017,882,454.21
  5. Step 5: Solve for x
    x = 40,017,882,454.21/229,644.12
  6. Step 6: Final answer
    x = 174,260.42

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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.