Home / 200,454.12-276,616.71-109,810.40

Finding the Fourth Proportional to 200,454.12, 276,616.71 and 109,810.40

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Solution

The fourth proportional to 200,454.12, 276,616.71 and 109,810.40 is: 151,532.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,454.12 : 276,616.71 = 109,810.40 : x
  2. Step 2: Convert to fraction form
    200,454.12/276,616.71 = 109,810.40/x
  3. Step 3: Cross multiply
    200,454.12x = 276,616.71 × 109,810.40
  4. Step 4: Simplify right side
    200,454.12x = 30,375,390,188.70
  5. Step 5: Solve for x
    x = 30,375,390,188.70/200,454.12
  6. Step 6: Final answer
    x = 151,532.88

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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.