Home / 170,388.43-235,176.12-105,906.38

Finding the Fourth Proportional to 170,388.43, 235,176.12 and 105,906.38

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Solution

The fourth proportional to 170,388.43, 235,176.12 and 105,906.38 is: 146,175.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,388.43 : 235,176.12 = 105,906.38 : x
  2. Step 2: Convert to fraction form
    170,388.43/235,176.12 = 105,906.38/x
  3. Step 3: Cross multiply
    170,388.43x = 235,176.12 × 105,906.38
  4. Step 4: Simplify right side
    170,388.43x = 24,906,650,355.77
  5. Step 5: Solve for x
    x = 24,906,650,355.77/170,388.43
  6. Step 6: Final answer
    x = 146,175.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.