Home / 269,669.72-372,031.01-189,149.85

Finding the Fourth Proportional to 269,669.72, 372,031.01 and 189,149.85

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Solution

The fourth proportional to 269,669.72, 372,031.01 and 189,149.85 is: 260,947.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,669.72 : 372,031.01 = 189,149.85 : x
  2. Step 2: Convert to fraction form
    269,669.72/372,031.01 = 189,149.85/x
  3. Step 3: Cross multiply
    269,669.72x = 372,031.01 × 189,149.85
  4. Step 4: Simplify right side
    269,669.72x = 70,369,609,500.41
  5. Step 5: Solve for x
    x = 70,369,609,500.41/269,669.72
  6. Step 6: Final answer
    x = 260,947.39

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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.