Home / 134,216.89-185,212.17-73,775.90

Finding the Fourth Proportional to 134,216.89, 185,212.17 and 73,775.90

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Solution

The fourth proportional to 134,216.89, 185,212.17 and 73,775.90 is: 101,806.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,216.89 : 185,212.17 = 73,775.90 : x
  2. Step 2: Convert to fraction form
    134,216.89/185,212.17 = 73,775.90/x
  3. Step 3: Cross multiply
    134,216.89x = 185,212.17 × 73,775.90
  4. Step 4: Simplify right side
    134,216.89x = 13,664,194,995.73
  5. Step 5: Solve for x
    x = 13,664,194,995.73/134,216.89
  6. Step 6: Final answer
    x = 101,806.82

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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.