Home / 202,488.66-279,437.03-111,844.39

Finding the Fourth Proportional to 202,488.66, 279,437.03 and 111,844.39

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Solution

The fourth proportional to 202,488.66, 279,437.03 and 111,844.39 is: 154,346.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,488.66 : 279,437.03 = 111,844.39 : x
  2. Step 2: Convert to fraction form
    202,488.66/279,437.03 = 111,844.39/x
  3. Step 3: Cross multiply
    202,488.66x = 279,437.03 × 111,844.39
  4. Step 4: Simplify right side
    202,488.66x = 31,253,464,163.76
  5. Step 5: Solve for x
    x = 31,253,464,163.76/202,488.66
  6. Step 6: Final answer
    x = 154,346.74

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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.