Home / 200,318.02-276,626.19-128,822.16

Finding the Fourth Proportional to 200,318.02, 276,626.19 and 128,822.16

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Solution

The fourth proportional to 200,318.02, 276,626.19 and 128,822.16 is: 177,895.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,318.02 : 276,626.19 = 128,822.16 : x
  2. Step 2: Convert to fraction form
    200,318.02/276,626.19 = 128,822.16/x
  3. Step 3: Cross multiply
    200,318.02x = 276,626.19 × 128,822.16
  4. Step 4: Simplify right side
    200,318.02x = 35,635,583,308.37
  5. Step 5: Solve for x
    x = 35,635,583,308.37/200,318.02
  6. Step 6: Final answer
    x = 177,895.05

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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.