Home / 170,380.94-235,127.30-93,902.78

Finding the Fourth Proportional to 170,380.94, 235,127.30 and 93,902.78

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Solution

The fourth proportional to 170,380.94, 235,127.30 and 93,902.78 is: 129,586.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,380.94 : 235,127.30 = 93,902.78 : x
  2. Step 2: Convert to fraction form
    170,380.94/235,127.30 = 93,902.78/x
  3. Step 3: Cross multiply
    170,380.94x = 235,127.30 × 93,902.78
  4. Step 4: Simplify right side
    170,380.94x = 22,079,105,478.74
  5. Step 5: Solve for x
    x = 22,079,105,478.74/170,380.94
  6. Step 6: Final answer
    x = 129,586.71

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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.