Home / 226,102.59-312,025.23-124,137.45

Finding the Fourth Proportional to 226,102.59, 312,025.23 and 124,137.45

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Solution

The fourth proportional to 226,102.59, 312,025.23 and 124,137.45 is: 171,311.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,102.59 : 312,025.23 = 124,137.45 : x
  2. Step 2: Convert to fraction form
    226,102.59/312,025.23 = 124,137.45/x
  3. Step 3: Cross multiply
    226,102.59x = 312,025.23 × 124,137.45
  4. Step 4: Simplify right side
    226,102.59x = 38,734,016,387.86
  5. Step 5: Solve for x
    x = 38,734,016,387.86/226,102.59
  6. Step 6: Final answer
    x = 171,311.69

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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.