Home / 179,102.16-268,653.42-66,780.66

Finding the Fourth Proportional to 179,102.16, 268,653.42 and 66,780.66

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Solution

The fourth proportional to 179,102.16, 268,653.42 and 66,780.66 is: 100,171.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,102.16 : 268,653.42 = 66,780.66 : x
  2. Step 2: Convert to fraction form
    179,102.16/268,653.42 = 66,780.66/x
  3. Step 3: Cross multiply
    179,102.16x = 268,653.42 × 66,780.66
  4. Step 4: Simplify right side
    179,102.16x = 17,940,852,698.86
  5. Step 5: Solve for x
    x = 17,940,852,698.86/179,102.16
  6. Step 6: Final answer
    x = 100,171.06

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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.