Home / 283,584.72-391,374.50-211,840.19

Finding the Fourth Proportional to 283,584.72, 391,374.50 and 211,840.19

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Solution

The fourth proportional to 283,584.72, 391,374.50 and 211,840.19 is: 292,360.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,584.72 : 391,374.50 = 211,840.19 : x
  2. Step 2: Convert to fraction form
    283,584.72/391,374.50 = 211,840.19/x
  3. Step 3: Cross multiply
    283,584.72x = 391,374.50 × 211,840.19
  4. Step 4: Simplify right side
    283,584.72x = 82,908,845,425.08
  5. Step 5: Solve for x
    x = 82,908,845,425.08/283,584.72
  6. Step 6: Final answer
    x = 292,360.06

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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.