Home / 212,429.52-293,161.11-116,945.10

Finding the Fourth Proportional to 212,429.52, 293,161.11 and 116,945.10

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Solution

The fourth proportional to 212,429.52, 293,161.11 and 116,945.10 is: 161,388.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,429.52 : 293,161.11 = 116,945.10 : x
  2. Step 2: Convert to fraction form
    212,429.52/293,161.11 = 116,945.10/x
  3. Step 3: Cross multiply
    212,429.52x = 293,161.11 × 116,945.10
  4. Step 4: Simplify right side
    212,429.52x = 34,283,755,325.06
  5. Step 5: Solve for x
    x = 34,283,755,325.06/212,429.52
  6. Step 6: Final answer
    x = 161,388.85

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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.