Home / 151,057.80-226,586.70-131,812.20

Finding the Fourth Proportional to 151,057.80, 226,586.70 and 131,812.20

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Solution

The fourth proportional to 151,057.80, 226,586.70 and 131,812.20 is: 197,718.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,057.80 : 226,586.70 = 131,812.20 : x
  2. Step 2: Convert to fraction form
    151,057.80/226,586.70 = 131,812.20/x
  3. Step 3: Cross multiply
    151,057.80x = 226,586.70 × 131,812.20
  4. Step 4: Simplify right side
    151,057.80x = 29,866,891,417.74
  5. Step 5: Solve for x
    x = 29,866,891,417.74/151,057.80
  6. Step 6: Final answer
    x = 197,718.30

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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.