Home / 376,422.22-519,503.97-215,292.34

Finding the Fourth Proportional to 376,422.22, 519,503.97 and 215,292.34

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Solution

The fourth proportional to 376,422.22, 519,503.97 and 215,292.34 is: 297,127.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,422.22 : 519,503.97 = 215,292.34 : x
  2. Step 2: Convert to fraction form
    376,422.22/519,503.97 = 215,292.34/x
  3. Step 3: Cross multiply
    376,422.22x = 519,503.97 × 215,292.34
  4. Step 4: Simplify right side
    376,422.22x = 111,845,225,340.59
  5. Step 5: Solve for x
    x = 111,845,225,340.59/376,422.22
  6. Step 6: Final answer
    x = 297,127.05

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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.