Home / 151,570.30-227,027.40-81,367.60

Finding the Fourth Proportional to 151,570.30, 227,027.40 and 81,367.60

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Solution

The fourth proportional to 151,570.30, 227,027.40 and 81,367.60 is: 121,875.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,570.30 : 227,027.40 = 81,367.60 : x
  2. Step 2: Convert to fraction form
    151,570.30/227,027.40 = 81,367.60/x
  3. Step 3: Cross multiply
    151,570.30x = 227,027.40 × 81,367.60
  4. Step 4: Simplify right side
    151,570.30x = 18,472,674,672.24
  5. Step 5: Solve for x
    x = 18,472,674,672.24/151,570.30
  6. Step 6: Final answer
    x = 121,875.29

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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.