Home / 283,360.11-391,036.34-154,296.58

Finding the Fourth Proportional to 283,360.11, 391,036.34 and 154,296.58

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Solution

The fourth proportional to 283,360.11, 391,036.34 and 154,296.58 is: 212,928.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,360.11 : 391,036.34 = 154,296.58 : x
  2. Step 2: Convert to fraction form
    283,360.11/391,036.34 = 154,296.58/x
  3. Step 3: Cross multiply
    283,360.11x = 391,036.34 × 154,296.58
  4. Step 4: Simplify right side
    283,360.11x = 60,335,567,191.05
  5. Step 5: Solve for x
    x = 60,335,567,191.05/283,360.11
  6. Step 6: Final answer
    x = 212,928.94

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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.