Home / 376,285.05-519,273.54-215,143.29

Finding the Fourth Proportional to 376,285.05, 519,273.54 and 215,143.29

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Solution

The fourth proportional to 376,285.05, 519,273.54 and 215,143.29 is: 296,897.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,285.05 : 519,273.54 = 215,143.29 : x
  2. Step 2: Convert to fraction form
    376,285.05/519,273.54 = 215,143.29/x
  3. Step 3: Cross multiply
    376,285.05x = 519,273.54 × 215,143.29
  4. Step 4: Simplify right side
    376,285.05x = 111,718,217,805.55
  5. Step 5: Solve for x
    x = 111,718,217,805.55/376,285.05
  6. Step 6: Final answer
    x = 296,897.84

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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.