Home / 283,966.73-391,881.48-154,907.42

Finding the Fourth Proportional to 283,966.73, 391,881.48 and 154,907.42

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Solution

The fourth proportional to 283,966.73, 391,881.48 and 154,907.42 is: 213,776.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,966.73 : 391,881.48 = 154,907.42 : x
  2. Step 2: Convert to fraction form
    283,966.73/391,881.48 = 154,907.42/x
  3. Step 3: Cross multiply
    283,966.73x = 391,881.48 × 154,907.42
  4. Step 4: Simplify right side
    283,966.73x = 60,705,349,012.58
  5. Step 5: Solve for x
    x = 60,705,349,012.58/283,966.73
  6. Step 6: Final answer
    x = 213,776.27

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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.