Home / 269,621.31-372,088.66-148,770.44

Finding the Fourth Proportional to 269,621.31, 372,088.66 and 148,770.44

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Solution

The fourth proportional to 269,621.31, 372,088.66 and 148,770.44 is: 205,309.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,621.31 : 372,088.66 = 148,770.44 : x
  2. Step 2: Convert to fraction form
    269,621.31/372,088.66 = 148,770.44/x
  3. Step 3: Cross multiply
    269,621.31x = 372,088.66 × 148,770.44
  4. Step 4: Simplify right side
    269,621.31x = 55,355,791,806.77
  5. Step 5: Solve for x
    x = 55,355,791,806.77/269,621.31
  6. Step 6: Final answer
    x = 205,309.41

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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.