Home / 226,374.15-312,394.50-123,007.44

Finding the Fourth Proportional to 226,374.15, 312,394.50 and 123,007.44

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Solution

The fourth proportional to 226,374.15, 312,394.50 and 123,007.44 is: 169,749.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,374.15 : 312,394.50 = 123,007.44 : x
  2. Step 2: Convert to fraction form
    226,374.15/312,394.50 = 123,007.44/x
  3. Step 3: Cross multiply
    226,374.15x = 312,394.50 × 123,007.44
  4. Step 4: Simplify right side
    226,374.15x = 38,426,847,715.08
  5. Step 5: Solve for x
    x = 38,426,847,715.08/226,374.15
  6. Step 6: Final answer
    x = 169,749.27

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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.