Home / 104,469.14-144,168.45-56,722.88

Finding the Fourth Proportional to 104,469.14, 144,168.45 and 56,722.88

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Solution

The fourth proportional to 104,469.14, 144,168.45 and 56,722.88 is: 78,278.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,469.14 : 144,168.45 = 56,722.88 : x
  2. Step 2: Convert to fraction form
    104,469.14/144,168.45 = 56,722.88/x
  3. Step 3: Cross multiply
    104,469.14x = 144,168.45 × 56,722.88
  4. Step 4: Simplify right side
    104,469.14x = 8,177,649,689.14
  5. Step 5: Solve for x
    x = 8,177,649,689.14/104,469.14
  6. Step 6: Final answer
    x = 78,278.14

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1.5x scale

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.