Home / 161,338.59-242,040.56-67,844.25

Finding the Fourth Proportional to 161,338.59, 242,040.56 and 67,844.25

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Solution

The fourth proportional to 161,338.59, 242,040.56 and 67,844.25 is: 101,780.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,338.59 : 242,040.56 = 67,844.25 : x
  2. Step 2: Convert to fraction form
    161,338.59/242,040.56 = 67,844.25/x
  3. Step 3: Cross multiply
    161,338.59x = 242,040.56 × 67,844.25
  4. Step 4: Simplify right side
    161,338.59x = 16,421,059,923.56
  5. Step 5: Solve for x
    x = 16,421,059,923.56/161,338.59
  6. Step 6: Final answer
    x = 101,780.11

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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.