Home / 233,177.31-321,777.36-131,208.57

Finding the Fourth Proportional to 233,177.31, 321,777.36 and 131,208.57

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Solution

The fourth proportional to 233,177.31, 321,777.36 and 131,208.57 is: 181,063.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,177.31 : 321,777.36 = 131,208.57 : x
  2. Step 2: Convert to fraction form
    233,177.31/321,777.36 = 131,208.57/x
  3. Step 3: Cross multiply
    233,177.31x = 321,777.36 × 131,208.57
  4. Step 4: Simplify right side
    233,177.31x = 42,219,947,263.98
  5. Step 5: Solve for x
    x = 42,219,947,263.98/233,177.31
  6. Step 6: Final answer
    x = 181,063.70

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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.