Home / 226,391.56-312,400.06-124,415.85

Finding the Fourth Proportional to 226,391.56, 312,400.06 and 124,415.85

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Solution

The fourth proportional to 226,391.56, 312,400.06 and 124,415.85 is: 171,682.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,391.56 : 312,400.06 = 124,415.85 : x
  2. Step 2: Convert to fraction form
    226,391.56/312,400.06 = 124,415.85/x
  3. Step 3: Cross multiply
    226,391.56x = 312,400.06 × 124,415.85
  4. Step 4: Simplify right side
    226,391.56x = 38,867,519,004.95
  5. Step 5: Solve for x
    x = 38,867,519,004.95/226,391.56
  6. Step 6: Final answer
    x = 171,682.72

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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.