Home / 269,689.27-372,180.12-147,188.34

Finding the Fourth Proportional to 269,689.27, 372,180.12 and 147,188.34

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Solution

The fourth proportional to 269,689.27, 372,180.12 and 147,188.34 is: 203,124.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,689.27 : 372,180.12 = 147,188.34 : x
  2. Step 2: Convert to fraction form
    269,689.27/372,180.12 = 147,188.34/x
  3. Step 3: Cross multiply
    269,689.27x = 372,180.12 × 147,188.34
  4. Step 4: Simplify right side
    269,689.27x = 54,780,574,595.76
  5. Step 5: Solve for x
    x = 54,780,574,595.76/269,689.27
  6. Step 6: Final answer
    x = 203,124.78

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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.