Home / 200,199.47-276,275.28-109,555.44

Finding the Fourth Proportional to 200,199.47, 276,275.28 and 109,555.44

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Solution

The fourth proportional to 200,199.47, 276,275.28 and 109,555.44 is: 151,186.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,199.47 : 276,275.28 = 109,555.44 : x
  2. Step 2: Convert to fraction form
    200,199.47/276,275.28 = 109,555.44/x
  3. Step 3: Cross multiply
    200,199.47x = 276,275.28 × 109,555.44
  4. Step 4: Simplify right side
    200,199.47x = 30,267,459,861.52
  5. Step 5: Solve for x
    x = 30,267,459,861.52/200,199.47
  6. Step 6: Final answer
    x = 151,186.52

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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.