Home / 151,801.20-227,847.60-77,005.80

Finding the Fourth Proportional to 151,801.20, 227,847.60 and 77,005.80

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Solution

The fourth proportional to 151,801.20, 227,847.60 and 77,005.80 is: 115,582.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,801.20 : 227,847.60 = 77,005.80 : x
  2. Step 2: Convert to fraction form
    151,801.20/227,847.60 = 77,005.80/x
  3. Step 3: Cross multiply
    151,801.20x = 227,847.60 × 77,005.80
  4. Step 4: Simplify right side
    151,801.20x = 17,545,586,716.08
  5. Step 5: Solve for x
    x = 17,545,586,716.08/151,801.20
  6. Step 6: Final answer
    x = 115,582.66

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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.