Home / 200,091.38-276,127.53-109,449.14

Finding the Fourth Proportional to 200,091.38, 276,127.53 and 109,449.14

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Solution

The fourth proportional to 200,091.38, 276,127.53 and 109,449.14 is: 151,040.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,091.38 : 276,127.53 = 109,449.14 : x
  2. Step 2: Convert to fraction form
    200,091.38/276,127.53 = 109,449.14/x
  3. Step 3: Cross multiply
    200,091.38x = 276,127.53 × 109,449.14
  4. Step 4: Simplify right side
    200,091.38x = 30,221,920,688.82
  5. Step 5: Solve for x
    x = 30,221,920,688.82/200,091.38
  6. Step 6: Final answer
    x = 151,040.59

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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.