Home / 283,986.88-391,895.58-156,662.44

Finding the Fourth Proportional to 283,986.88, 391,895.58 and 156,662.44

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Solution

The fourth proportional to 283,986.88, 391,895.58 and 156,662.44 is: 216,190.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,986.88 : 391,895.58 = 156,662.44 : x
  2. Step 2: Convert to fraction form
    283,986.88/391,895.58 = 156,662.44/x
  3. Step 3: Cross multiply
    283,986.88x = 391,895.58 × 156,662.44
  4. Step 4: Simplify right side
    283,986.88x = 61,395,317,395.76
  5. Step 5: Solve for x
    x = 61,395,317,395.76/283,986.88
  6. Step 6: Final answer
    x = 216,190.68

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1.5x scale

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.