Home / 200,595.66-276,850.40-124,139.38

Finding the Fourth Proportional to 200,595.66, 276,850.40 and 124,139.38

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Solution

The fourth proportional to 200,595.66, 276,850.40 and 124,139.38 is: 171,329.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,595.66 : 276,850.40 = 124,139.38 : x
  2. Step 2: Convert to fraction form
    200,595.66/276,850.40 = 124,139.38/x
  3. Step 3: Cross multiply
    200,595.66x = 276,850.40 × 124,139.38
  4. Step 4: Simplify right side
    200,595.66x = 34,368,037,691.95
  5. Step 5: Solve for x
    x = 34,368,037,691.95/200,595.66
  6. Step 6: Final answer
    x = 171,329.91

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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.