Home / 170,642.55-256,158.23-100,561.35

Finding the Fourth Proportional to 170,642.55, 256,158.23 and 100,561.35

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Solution

The fourth proportional to 170,642.55, 256,158.23 and 100,561.35 is: 150,956.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,642.55 : 256,158.23 = 100,561.35 : x
  2. Step 2: Convert to fraction form
    170,642.55/256,158.23 = 100,561.35/x
  3. Step 3: Cross multiply
    170,642.55x = 256,158.23 × 100,561.35
  4. Step 4: Simplify right side
    170,642.55x = 25,759,616,919.60
  5. Step 5: Solve for x
    x = 25,759,616,919.60/170,642.55
  6. Step 6: Final answer
    x = 150,956.59

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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.