Home / 170,763.90-256,121.55-58,449.30

Finding the Fourth Proportional to 170,763.90, 256,121.55 and 58,449.30

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Solution

The fourth proportional to 170,763.90, 256,121.55 and 58,449.30 is: 87,665.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,763.90 : 256,121.55 = 58,449.30 : x
  2. Step 2: Convert to fraction form
    170,763.90/256,121.55 = 58,449.30/x
  3. Step 3: Cross multiply
    170,763.90x = 256,121.55 × 58,449.30
  4. Step 4: Simplify right side
    170,763.90x = 14,970,125,312.42
  5. Step 5: Solve for x
    x = 14,970,125,312.42/170,763.90
  6. Step 6: Final answer
    x = 87,665.63

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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.