Home / 212,434.24-318,848.46-107,327.02

Finding the Fourth Proportional to 212,434.24, 318,848.46 and 107,327.02

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Solution

The fourth proportional to 212,434.24, 318,848.46 and 107,327.02 is: 161,090.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,434.24 : 318,848.46 = 107,327.02 : x
  2. Step 2: Convert to fraction form
    212,434.24/318,848.46 = 107,327.02/x
  3. Step 3: Cross multiply
    212,434.24x = 318,848.46 × 107,327.02
  4. Step 4: Simplify right side
    212,434.24x = 34,221,055,043.39
  5. Step 5: Solve for x
    x = 34,221,055,043.39/212,434.24
  6. Step 6: Final answer
    x = 161,090.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.