Home / 212,680.94-293,512.79-117,187.61

Finding the Fourth Proportional to 212,680.94, 293,512.79 and 117,187.61

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Solution

The fourth proportional to 212,680.94, 293,512.79 and 117,187.61 is: 161,726.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,680.94 : 293,512.79 = 117,187.61 : x
  2. Step 2: Convert to fraction form
    212,680.94/293,512.79 = 117,187.61/x
  3. Step 3: Cross multiply
    212,680.94x = 293,512.79 × 117,187.61
  4. Step 4: Simplify right side
    212,680.94x = 34,396,061,189.94
  5. Step 5: Solve for x
    x = 34,396,061,189.94/212,680.94
  6. Step 6: Final answer
    x = 161,726.11

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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.