Home / 179,212.08-268,862.40-74,061.12

Finding the Fourth Proportional to 179,212.08, 268,862.40 and 74,061.12

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Solution

The fourth proportional to 179,212.08, 268,862.40 and 74,061.12 is: 111,109.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,212.08 : 268,862.40 = 74,061.12 : x
  2. Step 2: Convert to fraction form
    179,212.08/268,862.40 = 74,061.12/x
  3. Step 3: Cross multiply
    179,212.08x = 268,862.40 × 74,061.12
  4. Step 4: Simplify right side
    179,212.08x = 19,912,250,469.89
  5. Step 5: Solve for x
    x = 19,912,250,469.89/179,212.08
  6. Step 6: Final answer
    x = 111,109.98

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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.