Home / 226,608.23-312,726.99-124,641.57

Finding the Fourth Proportional to 226,608.23, 312,726.99 and 124,641.57

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Solution

The fourth proportional to 226,608.23, 312,726.99 and 124,641.57 is: 172,009.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,608.23 : 312,726.99 = 124,641.57 : x
  2. Step 2: Convert to fraction form
    226,608.23/312,726.99 = 124,641.57/x
  3. Step 3: Cross multiply
    226,608.23x = 312,726.99 × 124,641.57
  4. Step 4: Simplify right side
    226,608.23x = 38,978,783,689.50
  5. Step 5: Solve for x
    x = 38,978,783,689.50/226,608.23
  6. Step 6: Final answer
    x = 172,009.57

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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.