Home / 170,856.20-256,288.36-52,528.62

Finding the Fourth Proportional to 170,856.20, 256,288.36 and 52,528.62

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Solution

The fourth proportional to 170,856.20, 256,288.36 and 52,528.62 is: 78,794.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,856.20 : 256,288.36 = 52,528.62 : x
  2. Step 2: Convert to fraction form
    170,856.20/256,288.36 = 52,528.62/x
  3. Step 3: Cross multiply
    170,856.20x = 256,288.36 × 52,528.62
  4. Step 4: Simplify right side
    170,856.20x = 13,462,473,872.86
  5. Step 5: Solve for x
    x = 13,462,473,872.86/170,856.20
  6. Step 6: Final answer
    x = 78,794.18

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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.