Home / 226,632.12-312,745.70-124,657.55

Finding the Fourth Proportional to 226,632.12, 312,745.70 and 124,657.55

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Solution

The fourth proportional to 226,632.12, 312,745.70 and 124,657.55 is: 172,023.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,632.12 : 312,745.70 = 124,657.55 : x
  2. Step 2: Convert to fraction form
    226,632.12/312,745.70 = 124,657.55/x
  3. Step 3: Cross multiply
    226,632.12x = 312,745.70 × 124,657.55
  4. Step 4: Simplify right side
    226,632.12x = 38,986,112,655.75
  5. Step 5: Solve for x
    x = 38,986,112,655.75/226,632.12
  6. Step 6: Final answer
    x = 172,023.78

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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.