Home / 212,870.62-293,755.17-117,377.29

Finding the Fourth Proportional to 212,870.62, 293,755.17 and 117,377.29

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Solution

The fourth proportional to 212,870.62, 293,755.17 and 117,377.29 is: 161,977.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,870.62 : 293,755.17 = 117,377.29 : x
  2. Step 2: Convert to fraction form
    212,870.62/293,755.17 = 117,377.29/x
  3. Step 3: Cross multiply
    212,870.62x = 293,755.17 × 117,377.29
  4. Step 4: Simplify right side
    212,870.62x = 34,480,185,778.09
  5. Step 5: Solve for x
    x = 34,480,185,778.09/212,870.62
  6. Step 6: Final answer
    x = 161,977.19

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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.