Home / 218,855.31-302,269.32-147,110.73

Finding the Fourth Proportional to 218,855.31, 302,269.32 and 147,110.73

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Solution

The fourth proportional to 218,855.31, 302,269.32 and 147,110.73 is: 203,180.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,855.31 : 302,269.32 = 147,110.73 : x
  2. Step 2: Convert to fraction form
    218,855.31/302,269.32 = 147,110.73/x
  3. Step 3: Cross multiply
    218,855.31x = 302,269.32 × 147,110.73
  4. Step 4: Simplify right side
    218,855.31x = 44,467,060,321.80
  5. Step 5: Solve for x
    x = 44,467,060,321.80/218,855.31
  6. Step 6: Final answer
    x = 203,180.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.