Home / 200,111.20-276,153.36-109,467.14

Finding the Fourth Proportional to 200,111.20, 276,153.36 and 109,467.14

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Solution

The fourth proportional to 200,111.20, 276,153.36 and 109,467.14 is: 151,064.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,111.20 : 276,153.36 = 109,467.14 : x
  2. Step 2: Convert to fraction form
    200,111.20/276,153.36 = 109,467.14/x
  3. Step 3: Cross multiply
    200,111.20x = 276,153.36 × 109,467.14
  4. Step 4: Simplify right side
    200,111.20x = 30,229,717,657.61
  5. Step 5: Solve for x
    x = 30,229,717,657.61/200,111.20
  6. Step 6: Final answer
    x = 151,064.60

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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.