Home / 170,790.10-256,031.55-111,654.10

Finding the Fourth Proportional to 170,790.10, 256,031.55 and 111,654.10

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Solution

The fourth proportional to 170,790.10, 256,031.55 and 111,654.10 is: 167,380.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,790.10 : 256,031.55 = 111,654.10 : x
  2. Step 2: Convert to fraction form
    170,790.10/256,031.55 = 111,654.10/x
  3. Step 3: Cross multiply
    170,790.10x = 256,031.55 × 111,654.10
  4. Step 4: Simplify right side
    170,790.10x = 28,586,972,286.86
  5. Step 5: Solve for x
    x = 28,586,972,286.86/170,790.10
  6. Step 6: Final answer
    x = 167,380.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.