Home / 151,572.12-227,856.51-140,611.20

Finding the Fourth Proportional to 151,572.12, 227,856.51 and 140,611.20

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Solution

The fourth proportional to 151,572.12, 227,856.51 and 140,611.20 is: 211,379.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,572.12 : 227,856.51 = 140,611.20 : x
  2. Step 2: Convert to fraction form
    151,572.12/227,856.51 = 140,611.20/x
  3. Step 3: Cross multiply
    151,572.12x = 227,856.51 × 140,611.20
  4. Step 4: Simplify right side
    151,572.12x = 32,039,177,298.91
  5. Step 5: Solve for x
    x = 32,039,177,298.91/151,572.12
  6. Step 6: Final answer
    x = 211,379.09

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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.