Home / 200,000.24-276,069.78-115,151.12

Finding the Fourth Proportional to 200,000.24, 276,069.78 and 115,151.12

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Solution

The fourth proportional to 200,000.24, 276,069.78 and 115,151.12 is: 158,948.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,000.24 : 276,069.78 = 115,151.12 : x
  2. Step 2: Convert to fraction form
    200,000.24/276,069.78 = 115,151.12/x
  3. Step 3: Cross multiply
    200,000.24x = 276,069.78 × 115,151.12
  4. Step 4: Simplify right side
    200,000.24x = 31,789,744,365.15
  5. Step 5: Solve for x
    x = 31,789,744,365.15/200,000.24
  6. Step 6: Final answer
    x = 158,948.53

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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.