Home / 272,476.74-376,154.12-211,086.33

Finding the Fourth Proportional to 272,476.74, 376,154.12 and 211,086.33

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Solution

The fourth proportional to 272,476.74, 376,154.12 and 211,086.33 is: 291,404.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,476.74 : 376,154.12 = 211,086.33 : x
  2. Step 2: Convert to fraction form
    272,476.74/376,154.12 = 211,086.33/x
  3. Step 3: Cross multiply
    272,476.74x = 376,154.12 × 211,086.33
  4. Step 4: Simplify right side
    272,476.74x = 79,400,992,705.18
  5. Step 5: Solve for x
    x = 79,400,992,705.18/272,476.74
  6. Step 6: Final answer
    x = 291,404.66

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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.