Home / 283,721.00-391,537.60-156,401.15

Finding the Fourth Proportional to 283,721.00, 391,537.60 and 156,401.15

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Solution

The fourth proportional to 283,721.00, 391,537.60 and 156,401.15 is: 215,835.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,721.00 : 391,537.60 = 156,401.15 : x
  2. Step 2: Convert to fraction form
    283,721.00/391,537.60 = 156,401.15/x
  3. Step 3: Cross multiply
    283,721.00x = 391,537.60 × 156,401.15
  4. Step 4: Simplify right side
    283,721.00x = 61,236,928,559.55
  5. Step 5: Solve for x
    x = 61,236,928,559.55/283,721.00
  6. Step 6: Final answer
    x = 215,835.03

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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.