Home / 174,220.60-261,380.54-85,500.76

Finding the Fourth Proportional to 174,220.60, 261,380.54 and 85,500.76

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Solution

The fourth proportional to 174,220.60, 261,380.54 and 85,500.76 is: 128,275.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,220.60 : 261,380.54 = 85,500.76 : x
  2. Step 2: Convert to fraction form
    174,220.60/261,380.54 = 85,500.76/x
  3. Step 3: Cross multiply
    174,220.60x = 261,380.54 × 85,500.76
  4. Step 4: Simplify right side
    174,220.60x = 22,348,234,819.21
  5. Step 5: Solve for x
    x = 22,348,234,819.21/174,220.60
  6. Step 6: Final answer
    x = 128,275.50

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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.