Home / 376,105.02-519,069.51-225,198.78

Finding the Fourth Proportional to 376,105.02, 519,069.51 and 225,198.78

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Solution

The fourth proportional to 376,105.02, 519,069.51 and 225,198.78 is: 310,801.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,105.02 : 519,069.51 = 225,198.78 : x
  2. Step 2: Convert to fraction form
    376,105.02/519,069.51 = 225,198.78/x
  3. Step 3: Cross multiply
    376,105.02x = 519,069.51 × 225,198.78
  4. Step 4: Simplify right side
    376,105.02x = 116,893,820,387.20
  5. Step 5: Solve for x
    x = 116,893,820,387.20/376,105.02
  6. Step 6: Final answer
    x = 310,801.01

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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.