Home / 233,787.12-322,619.76-131,811.71

Finding the Fourth Proportional to 233,787.12, 322,619.76 and 131,811.71

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Solution

The fourth proportional to 233,787.12, 322,619.76 and 131,811.71 is: 181,896.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,787.12 : 322,619.76 = 131,811.71 : x
  2. Step 2: Convert to fraction form
    233,787.12/322,619.76 = 131,811.71/x
  3. Step 3: Cross multiply
    233,787.12x = 322,619.76 × 131,811.71
  4. Step 4: Simplify right side
    233,787.12x = 42,525,060,632.29
  5. Step 5: Solve for x
    x = 42,525,060,632.29/233,787.12
  6. Step 6: Final answer
    x = 181,896.51

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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.