Home / 168,014.72-251,947.80-89,110.88

Finding the Fourth Proportional to 168,014.72, 251,947.80 and 89,110.88

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Solution

The fourth proportional to 168,014.72, 251,947.80 and 89,110.88 is: 133,626.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,014.72 : 251,947.80 = 89,110.88 : x
  2. Step 2: Convert to fraction form
    168,014.72/251,947.80 = 89,110.88/x
  3. Step 3: Cross multiply
    168,014.72x = 251,947.80 × 89,110.88
  4. Step 4: Simplify right side
    168,014.72x = 22,451,290,172.06
  5. Step 5: Solve for x
    x = 22,451,290,172.06/168,014.72
  6. Step 6: Final answer
    x = 133,626.92

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1.5x scale

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.