Home / 151,648.20-227,618.10-76,852.80

Finding the Fourth Proportional to 151,648.20, 227,618.10 and 76,852.80

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Solution

The fourth proportional to 151,648.20, 227,618.10 and 76,852.80 is: 115,353.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,648.20 : 227,618.10 = 76,852.80 : x
  2. Step 2: Convert to fraction form
    151,648.20/227,618.10 = 76,852.80/x
  3. Step 3: Cross multiply
    151,648.20x = 227,618.10 × 76,852.80
  4. Step 4: Simplify right side
    151,648.20x = 17,493,088,315.68
  5. Step 5: Solve for x
    x = 17,493,088,315.68/151,648.20
  6. Step 6: Final answer
    x = 115,353.09

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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.