Home / 170,895.40-256,343.10-100,853.80

Finding the Fourth Proportional to 170,895.40, 256,343.10 and 100,853.80

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Solution

The fourth proportional to 170,895.40, 256,343.10 and 100,853.80 is: 151,280.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,895.40 : 256,343.10 = 100,853.80 : x
  2. Step 2: Convert to fraction form
    170,895.40/256,343.10 = 100,853.80/x
  3. Step 3: Cross multiply
    170,895.40x = 256,343.10 × 100,853.80
  4. Step 4: Simplify right side
    170,895.40x = 25,853,175,738.78
  5. Step 5: Solve for x
    x = 25,853,175,738.78/170,895.40
  6. Step 6: Final answer
    x = 151,280.70

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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.