Home / 179,431.24-269,154.30-67,100.20

Finding the Fourth Proportional to 179,431.24, 269,154.30 and 67,100.20

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Solution

The fourth proportional to 179,431.24, 269,154.30 and 67,100.20 is: 100,653.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,431.24 : 269,154.30 = 67,100.20 : x
  2. Step 2: Convert to fraction form
    179,431.24/269,154.30 = 67,100.20/x
  3. Step 3: Cross multiply
    179,431.24x = 269,154.30 × 67,100.20
  4. Step 4: Simplify right side
    179,431.24x = 18,060,307,360.86
  5. Step 5: Solve for x
    x = 18,060,307,360.86/179,431.24
  6. Step 6: Final answer
    x = 100,653.08

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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.