Home / 212,948.20-293,867.89-122,310.01

Finding the Fourth Proportional to 212,948.20, 293,867.89 and 122,310.01

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Solution

The fourth proportional to 212,948.20, 293,867.89 and 122,310.01 is: 168,787.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,948.20 : 293,867.89 = 122,310.01 : x
  2. Step 2: Convert to fraction form
    212,948.20/293,867.89 = 122,310.01/x
  3. Step 3: Cross multiply
    212,948.20x = 293,867.89 × 122,310.01
  4. Step 4: Simplify right side
    212,948.20x = 35,942,984,564.58
  5. Step 5: Solve for x
    x = 35,942,984,564.58/212,948.20
  6. Step 6: Final answer
    x = 168,787.45

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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.