Home / 247,815.40-371,514.12-107,468.32

Finding the Fourth Proportional to 247,815.40, 371,514.12 and 107,468.32

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Solution

The fourth proportional to 247,815.40, 371,514.12 and 107,468.32 is: 161,111.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,815.40 : 371,514.12 = 107,468.32 : x
  2. Step 2: Convert to fraction form
    247,815.40/371,514.12 = 107,468.32/x
  3. Step 3: Cross multiply
    247,815.40x = 371,514.12 × 107,468.32
  4. Step 4: Simplify right side
    247,815.40x = 39,925,998,332.68
  5. Step 5: Solve for x
    x = 39,925,998,332.68/247,815.40
  6. Step 6: Final answer
    x = 161,111.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.