Home / 115,447.32-173,196.96-40,572.66

Finding the Fourth Proportional to 115,447.32, 173,196.96 and 40,572.66

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Solution

The fourth proportional to 115,447.32, 173,196.96 and 40,572.66 is: 60,868.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,447.32 : 173,196.96 = 40,572.66 : x
  2. Step 2: Convert to fraction form
    115,447.32/173,196.96 = 40,572.66/x
  3. Step 3: Cross multiply
    115,447.32x = 173,196.96 × 40,572.66
  4. Step 4: Simplify right side
    115,447.32x = 7,027,061,371.11
  5. Step 5: Solve for x
    x = 7,027,061,371.11/115,447.32
  6. Step 6: Final answer
    x = 60,868.12

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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.