Home / 200,665.23-276,862.91-124,147.58

Finding the Fourth Proportional to 200,665.23, 276,862.91 and 124,147.58

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Solution

The fourth proportional to 200,665.23, 276,862.91 and 124,147.58 is: 171,289.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,665.23 : 276,862.91 = 124,147.58 : x
  2. Step 2: Convert to fraction form
    200,665.23/276,862.91 = 124,147.58/x
  3. Step 3: Cross multiply
    200,665.23x = 276,862.91 × 124,147.58
  4. Step 4: Simplify right side
    200,665.23x = 34,371,858,263.21
  5. Step 5: Solve for x
    x = 34,371,858,263.21/200,665.23
  6. Step 6: Final answer
    x = 171,289.56

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1.5x scale

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.