Home / 151,027.20-226,670.40-66,916.80

Finding the Fourth Proportional to 151,027.20, 226,670.40 and 66,916.80

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Solution

The fourth proportional to 151,027.20, 226,670.40 and 66,916.80 is: 100,432.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,027.20 : 226,670.40 = 66,916.80 : x
  2. Step 2: Convert to fraction form
    151,027.20/226,670.40 = 66,916.80/x
  3. Step 3: Cross multiply
    151,027.20x = 226,670.40 × 66,916.80
  4. Step 4: Simplify right side
    151,027.20x = 15,168,057,822.72
  5. Step 5: Solve for x
    x = 15,168,057,822.72/151,027.20
  6. Step 6: Final answer
    x = 100,432.62

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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.