Home / 151,251.20-226,876.80-127,631.60

Finding the Fourth Proportional to 151,251.20, 226,876.80 and 127,631.60

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Solution

The fourth proportional to 151,251.20, 226,876.80 and 127,631.60 is: 191,447.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,251.20 : 226,876.80 = 127,631.60 : x
  2. Step 2: Convert to fraction form
    151,251.20/226,876.80 = 127,631.60/x
  3. Step 3: Cross multiply
    151,251.20x = 226,876.80 × 127,631.60
  4. Step 4: Simplify right side
    151,251.20x = 28,956,648,986.88
  5. Step 5: Solve for x
    x = 28,956,648,986.88/151,251.20
  6. Step 6: Final answer
    x = 191,447.40

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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.