Home / 200,472.02-276,546.41-123,966.71

Finding the Fourth Proportional to 200,472.02, 276,546.41 and 123,966.71

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Solution

The fourth proportional to 200,472.02, 276,546.41 and 123,966.71 is: 171,009.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,472.02 : 276,546.41 = 123,966.71 : x
  2. Step 2: Convert to fraction form
    200,472.02/276,546.41 = 123,966.71/x
  3. Step 3: Cross multiply
    200,472.02x = 276,546.41 × 123,966.71
  4. Step 4: Simplify right side
    200,472.02x = 34,282,546,607.45
  5. Step 5: Solve for x
    x = 34,282,546,607.45/200,472.02
  6. Step 6: Final answer
    x = 171,009.14

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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.