Home / 376,161.15-519,102.39-215,019.69

Finding the Fourth Proportional to 376,161.15, 519,102.39 and 215,019.69

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Solution

The fourth proportional to 376,161.15, 519,102.39 and 215,019.69 is: 296,727.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,161.15 : 519,102.39 = 215,019.69 : x
  2. Step 2: Convert to fraction form
    376,161.15/519,102.39 = 215,019.69/x
  3. Step 3: Cross multiply
    376,161.15x = 519,102.39 × 215,019.69
  4. Step 4: Simplify right side
    376,161.15x = 111,617,234,976.06
  5. Step 5: Solve for x
    x = 111,617,234,976.06/376,161.15
  6. Step 6: Final answer
    x = 296,727.17

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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.