Home / 226,609.23-312,728.37-124,642.57

Finding the Fourth Proportional to 226,609.23, 312,728.37 and 124,642.57

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Solution

The fourth proportional to 226,609.23, 312,728.37 and 124,642.57 is: 172,010.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,609.23 : 312,728.37 = 124,642.57 : x
  2. Step 2: Convert to fraction form
    226,609.23/312,728.37 = 124,642.57/x
  3. Step 3: Cross multiply
    226,609.23x = 312,728.37 × 124,642.57
  4. Step 4: Simplify right side
    226,609.23x = 38,979,267,748.71
  5. Step 5: Solve for x
    x = 38,979,267,748.71/226,609.23
  6. Step 6: Final answer
    x = 172,010.94

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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.