Home / 268,972.26-371,057.02-173,509.71

Finding the Fourth Proportional to 268,972.26, 371,057.02 and 173,509.71

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Solution

The fourth proportional to 268,972.26, 371,057.02 and 173,509.71 is: 239,362.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,972.26 : 371,057.02 = 173,509.71 : x
  2. Step 2: Convert to fraction form
    268,972.26/371,057.02 = 173,509.71/x
  3. Step 3: Cross multiply
    268,972.26x = 371,057.02 × 173,509.71
  4. Step 4: Simplify right side
    268,972.26x = 64,381,995,933.66
  5. Step 5: Solve for x
    x = 64,381,995,933.66/268,972.26
  6. Step 6: Final answer
    x = 239,362.96

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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.