Home / 267,919.17-401,878.41-208,799.07

Finding the Fourth Proportional to 267,919.17, 401,878.41 and 208,799.07

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Solution

The fourth proportional to 267,919.17, 401,878.41 and 208,799.07 is: 313,198.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,919.17 : 401,878.41 = 208,799.07 : x
  2. Step 2: Convert to fraction form
    267,919.17/401,878.41 = 208,799.07/x
  3. Step 3: Cross multiply
    267,919.17x = 401,878.41 × 208,799.07
  4. Step 4: Simplify right side
    267,919.17x = 83,911,838,261.08
  5. Step 5: Solve for x
    x = 83,911,838,261.08/267,919.17
  6. Step 6: Final answer
    x = 313,198.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.