Home / 131,069.98-180,874.85-73,709.29

Finding the Fourth Proportional to 131,069.98, 180,874.85 and 73,709.29

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Solution

The fourth proportional to 131,069.98, 180,874.85 and 73,709.29 is: 101,717.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,069.98 : 180,874.85 = 73,709.29 : x
  2. Step 2: Convert to fraction form
    131,069.98/180,874.85 = 73,709.29/x
  3. Step 3: Cross multiply
    131,069.98x = 180,874.85 × 73,709.29
  4. Step 4: Simplify right side
    131,069.98x = 13,332,155,750.69
  5. Step 5: Solve for x
    x = 13,332,155,750.69/131,069.98
  6. Step 6: Final answer
    x = 101,717.84

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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.