Home / 200,213.18-276,294.15-109,569.20

Finding the Fourth Proportional to 200,213.18, 276,294.15 and 109,569.20

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Solution

The fourth proportional to 200,213.18, 276,294.15 and 109,569.20 is: 151,205.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,213.18 : 276,294.15 = 109,569.20 : x
  2. Step 2: Convert to fraction form
    200,213.18/276,294.15 = 109,569.20/x
  3. Step 3: Cross multiply
    200,213.18x = 276,294.15 × 109,569.20
  4. Step 4: Simplify right side
    200,213.18x = 30,273,328,980.18
  5. Step 5: Solve for x
    x = 30,273,328,980.18/200,213.18
  6. Step 6: Final answer
    x = 151,205.47

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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.