Home / 200,202.48-276,280.20-128,583.09

Finding the Fourth Proportional to 200,202.48, 276,280.20 and 128,583.09

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Solution

The fourth proportional to 200,202.48, 276,280.20 and 128,583.09 is: 177,445.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,202.48 : 276,280.20 = 128,583.09 : x
  2. Step 2: Convert to fraction form
    200,202.48/276,280.20 = 128,583.09/x
  3. Step 3: Cross multiply
    200,202.48x = 276,280.20 × 128,583.09
  4. Step 4: Simplify right side
    200,202.48x = 35,524,961,821.82
  5. Step 5: Solve for x
    x = 35,524,961,821.82/200,202.48
  6. Step 6: Final answer
    x = 177,445.16

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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.