Home / 212,228.52-318,308.17-62,433.79

Finding the Fourth Proportional to 212,228.52, 318,308.17 and 62,433.79

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Solution

The fourth proportional to 212,228.52, 318,308.17 and 62,433.79 is: 93,640.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,228.52 : 318,308.17 = 62,433.79 : x
  2. Step 2: Convert to fraction form
    212,228.52/318,308.17 = 62,433.79/x
  3. Step 3: Cross multiply
    212,228.52x = 318,308.17 × 62,433.79
  4. Step 4: Simplify right side
    212,228.52x = 19,873,185,441.06
  5. Step 5: Solve for x
    x = 19,873,185,441.06/212,228.52
  6. Step 6: Final answer
    x = 93,640.50

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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.