Home / 115,856.42-173,486.75-80,267.04

Finding the Fourth Proportional to 115,856.42, 173,486.75 and 80,267.04

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Solution

The fourth proportional to 115,856.42, 173,486.75 and 80,267.04 is: 120,194.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,856.42 : 173,486.75 = 80,267.04 : x
  2. Step 2: Convert to fraction form
    115,856.42/173,486.75 = 80,267.04/x
  3. Step 3: Cross multiply
    115,856.42x = 173,486.75 × 80,267.04
  4. Step 4: Simplify right side
    115,856.42x = 13,925,267,500.38
  5. Step 5: Solve for x
    x = 13,925,267,500.38/115,856.42
  6. Step 6: Final answer
    x = 120,194.19

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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.