Home / 171,256.12-256,551.84-126,195.72

Finding the Fourth Proportional to 171,256.12, 256,551.84 and 126,195.72

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Solution

The fourth proportional to 171,256.12, 256,551.84 and 126,195.72 is: 189,048.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,256.12 : 256,551.84 = 126,195.72 : x
  2. Step 2: Convert to fraction form
    171,256.12/256,551.84 = 126,195.72/x
  3. Step 3: Cross multiply
    171,256.12x = 256,551.84 × 126,195.72
  4. Step 4: Simplify right side
    171,256.12x = 32,375,744,166.12
  5. Step 5: Solve for x
    x = 32,375,744,166.12/171,256.12
  6. Step 6: Final answer
    x = 189,048.68

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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.