Home / 376,219.08-519,182.19-215,077.55

Finding the Fourth Proportional to 376,219.08, 519,182.19 and 215,077.55

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Solution

The fourth proportional to 376,219.08, 519,182.19 and 215,077.55 is: 296,806.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,219.08 : 519,182.19 = 215,077.55 : x
  2. Step 2: Convert to fraction form
    376,219.08/519,182.19 = 215,077.55/x
  3. Step 3: Cross multiply
    376,219.08x = 519,182.19 × 215,077.55
  4. Step 4: Simplify right side
    376,219.08x = 111,664,430,832.92
  5. Step 5: Solve for x
    x = 111,664,430,832.92/376,219.08
  6. Step 6: Final answer
    x = 296,806.93

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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.