Home / 171,363.60-257,089.75-100,346.24

Finding the Fourth Proportional to 171,363.60, 257,089.75 and 100,346.24

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Solution

The fourth proportional to 171,363.60, 257,089.75 and 100,346.24 is: 150,545.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,363.60 : 257,089.75 = 100,346.24 : x
  2. Step 2: Convert to fraction form
    171,363.60/257,089.75 = 100,346.24/x
  3. Step 3: Cross multiply
    171,363.60x = 257,089.75 × 100,346.24
  4. Step 4: Simplify right side
    171,363.60x = 25,797,990,146.90
  5. Step 5: Solve for x
    x = 25,797,990,146.90/171,363.60
  6. Step 6: Final answer
    x = 150,545.33

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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.