Home / 179,680.50-247,960.26-99,110.21

Finding the Fourth Proportional to 179,680.50, 247,960.26 and 99,110.21

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Solution

The fourth proportional to 179,680.50, 247,960.26 and 99,110.21 is: 136,772.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,680.50 : 247,960.26 = 99,110.21 : x
  2. Step 2: Convert to fraction form
    179,680.50/247,960.26 = 99,110.21/x
  3. Step 3: Cross multiply
    179,680.50x = 247,960.26 × 99,110.21
  4. Step 4: Simplify right side
    179,680.50x = 24,575,392,200.45
  5. Step 5: Solve for x
    x = 24,575,392,200.45/179,680.50
  6. Step 6: Final answer
    x = 136,772.73

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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.