Home / 296,908.11-445,363.07-72,268.56

Finding the Fourth Proportional to 296,908.11, 445,363.07 and 72,268.56

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Solution

The fourth proportional to 296,908.11, 445,363.07 and 72,268.56 is: 108,403.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,908.11 : 445,363.07 = 72,268.56 : x
  2. Step 2: Convert to fraction form
    296,908.11/445,363.07 = 72,268.56/x
  3. Step 3: Cross multiply
    296,908.11x = 445,363.07 × 72,268.56
  4. Step 4: Simplify right side
    296,908.11x = 32,185,747,384.74
  5. Step 5: Solve for x
    x = 32,185,747,384.74/296,908.11
  6. Step 6: Final answer
    x = 108,403.06

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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.