Home / 376,535.08-519,621.24-215,380.18

Finding the Fourth Proportional to 376,535.08, 519,621.24 and 215,380.18

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Solution

The fourth proportional to 376,535.08, 519,621.24 and 215,380.18 is: 297,226.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,535.08 : 519,621.24 = 215,380.18 : x
  2. Step 2: Convert to fraction form
    376,535.08/519,621.24 = 215,380.18/x
  3. Step 3: Cross multiply
    376,535.08x = 519,621.24 × 215,380.18
  4. Step 4: Simplify right side
    376,535.08x = 111,916,116,203.02
  5. Step 5: Solve for x
    x = 111,916,116,203.02/376,535.08
  6. Step 6: Final answer
    x = 297,226.27

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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.