Home / 212,892.38-293,778.07-122,184.50

Finding the Fourth Proportional to 212,892.38, 293,778.07 and 122,184.50

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Solution

The fourth proportional to 212,892.38, 293,778.07 and 122,184.50 is: 168,606.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,892.38 : 293,778.07 = 122,184.50 : x
  2. Step 2: Convert to fraction form
    212,892.38/293,778.07 = 122,184.50/x
  3. Step 3: Cross multiply
    212,892.38x = 293,778.07 × 122,184.50
  4. Step 4: Simplify right side
    212,892.38x = 35,895,127,022.90
  5. Step 5: Solve for x
    x = 35,895,127,022.90/212,892.38
  6. Step 6: Final answer
    x = 168,606.92

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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.