Home / 335,378.60-462,822.13-192,139.21

Finding the Fourth Proportional to 335,378.60, 462,822.13 and 192,139.21

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Solution

The fourth proportional to 335,378.60, 462,822.13 and 192,139.21 is: 265,151.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,378.60 : 462,822.13 = 192,139.21 : x
  2. Step 2: Convert to fraction form
    335,378.60/462,822.13 = 192,139.21/x
  3. Step 3: Cross multiply
    335,378.60x = 462,822.13 × 192,139.21
  4. Step 4: Simplify right side
    335,378.60x = 88,926,278,428.72
  5. Step 5: Solve for x
    x = 88,926,278,428.72/335,378.60
  6. Step 6: Final answer
    x = 265,151.92

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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.