Home / 151,687.20-227,530.80-77,037.60

Finding the Fourth Proportional to 151,687.20, 227,530.80 and 77,037.60

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Solution

The fourth proportional to 151,687.20, 227,530.80 and 77,037.60 is: 115,556.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,687.20 : 227,530.80 = 77,037.60 : x
  2. Step 2: Convert to fraction form
    151,687.20/227,530.80 = 77,037.60/x
  3. Step 3: Cross multiply
    151,687.20x = 227,530.80 × 77,037.60
  4. Step 4: Simplify right side
    151,687.20x = 17,528,426,758.08
  5. Step 5: Solve for x
    x = 17,528,426,758.08/151,687.20
  6. Step 6: Final answer
    x = 115,556.40

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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.