Home / 226,391.86-312,426.92-124,418.53

Finding the Fourth Proportional to 226,391.86, 312,426.92 and 124,418.53

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Solution

The fourth proportional to 226,391.86, 312,426.92 and 124,418.53 is: 171,700.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,391.86 : 312,426.92 = 124,418.53 : x
  2. Step 2: Convert to fraction form
    226,391.86/312,426.92 = 124,418.53/x
  3. Step 3: Cross multiply
    226,391.86x = 312,426.92 × 124,418.53
  4. Step 4: Simplify right side
    226,391.86x = 38,871,698,820.41
  5. Step 5: Solve for x
    x = 38,871,698,820.41/226,391.86
  6. Step 6: Final answer
    x = 171,700.96

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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.