Home / 170,853.57-256,300.87-71,081.28

Finding the Fourth Proportional to 170,853.57, 256,300.87 and 71,081.28

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Solution

The fourth proportional to 170,853.57, 256,300.87 and 71,081.28 is: 106,630.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,853.57 : 256,300.87 = 71,081.28 : x
  2. Step 2: Convert to fraction form
    170,853.57/256,300.87 = 71,081.28/x
  3. Step 3: Cross multiply
    170,853.57x = 256,300.87 × 71,081.28
  4. Step 4: Simplify right side
    170,853.57x = 18,218,193,904.71
  5. Step 5: Solve for x
    x = 18,218,193,904.71/170,853.57
  6. Step 6: Final answer
    x = 106,630.45

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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.