Home / 159,128.75-218,252.27-141,192.62

Finding the Fourth Proportional to 159,128.75, 218,252.27 and 141,192.62

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Solution

The fourth proportional to 159,128.75, 218,252.27 and 141,192.62 is: 193,652.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,128.75 : 218,252.27 = 141,192.62 : x
  2. Step 2: Convert to fraction form
    159,128.75/218,252.27 = 141,192.62/x
  3. Step 3: Cross multiply
    159,128.75x = 218,252.27 × 141,192.62
  4. Step 4: Simplify right side
    159,128.75x = 30,815,609,902.41
  5. Step 5: Solve for x
    x = 30,815,609,902.41/159,128.75
  6. Step 6: Final answer
    x = 193,652.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.