Home / 200,199.62-276,275.50-109,555.58

Finding the Fourth Proportional to 200,199.62, 276,275.50 and 109,555.58

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Solution

The fourth proportional to 200,199.62, 276,275.50 and 109,555.58 is: 151,186.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,199.62 : 276,275.50 = 109,555.58 : x
  2. Step 2: Convert to fraction form
    200,199.62/276,275.50 = 109,555.58/x
  3. Step 3: Cross multiply
    200,199.62x = 276,275.50 × 109,555.58
  4. Step 4: Simplify right side
    200,199.62x = 30,267,522,094.51
  5. Step 5: Solve for x
    x = 30,267,522,094.51/200,199.62
  6. Step 6: Final answer
    x = 151,186.71

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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.