Home / 229,310.12-316,437.31-127,342.04

Finding the Fourth Proportional to 229,310.12, 316,437.31 and 127,342.04

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Solution

The fourth proportional to 229,310.12, 316,437.31 and 127,342.04 is: 175,726.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,310.12 : 316,437.31 = 127,342.04 : x
  2. Step 2: Convert to fraction form
    229,310.12/316,437.31 = 127,342.04/x
  3. Step 3: Cross multiply
    229,310.12x = 316,437.31 × 127,342.04
  4. Step 4: Simplify right side
    229,310.12x = 40,295,771,005.33
  5. Step 5: Solve for x
    x = 40,295,771,005.33/229,310.12
  6. Step 6: Final answer
    x = 175,726.09

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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.