Home / 229,726.05-316,997.67-127,735.07

Finding the Fourth Proportional to 229,726.05, 316,997.67 and 127,735.07

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Solution

The fourth proportional to 229,726.05, 316,997.67 and 127,735.07 is: 176,260.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,726.05 : 316,997.67 = 127,735.07 : x
  2. Step 2: Convert to fraction form
    229,726.05/316,997.67 = 127,735.07/x
  3. Step 3: Cross multiply
    229,726.05x = 316,997.67 × 127,735.07
  4. Step 4: Simplify right side
    229,726.05x = 40,491,717,982.30
  5. Step 5: Solve for x
    x = 40,491,717,982.30/229,726.05
  6. Step 6: Final answer
    x = 176,260.89

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1.5x scale

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.