Home / 151,178.80-226,768.20-51,451.60

Finding the Fourth Proportional to 151,178.80, 226,768.20 and 51,451.60

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Solution

The fourth proportional to 151,178.80, 226,768.20 and 51,451.60 is: 77,177.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,178.80 : 226,768.20 = 51,451.60 : x
  2. Step 2: Convert to fraction form
    151,178.80/226,768.20 = 51,451.60/x
  3. Step 3: Cross multiply
    151,178.80x = 226,768.20 × 51,451.60
  4. Step 4: Simplify right side
    151,178.80x = 11,667,586,719.12
  5. Step 5: Solve for x
    x = 11,667,586,719.12/151,178.80
  6. Step 6: Final answer
    x = 77,177.40

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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.