Home / 283,411.17-391,099.44-154,346.73

Finding the Fourth Proportional to 283,411.17, 391,099.44 and 154,346.73

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Solution

The fourth proportional to 283,411.17, 391,099.44 and 154,346.73 is: 212,994.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,411.17 : 391,099.44 = 154,346.73 : x
  2. Step 2: Convert to fraction form
    283,411.17/391,099.44 = 154,346.73/x
  3. Step 3: Cross multiply
    283,411.17x = 391,099.44 × 154,346.73
  4. Step 4: Simplify right side
    283,411.17x = 60,364,919,668.83
  5. Step 5: Solve for x
    x = 60,364,919,668.83/283,411.17
  6. Step 6: Final answer
    x = 212,994.14

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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.