Home / 217,536.60-326,313.74-103,625.85

Finding the Fourth Proportional to 217,536.60, 326,313.74 and 103,625.85

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Solution

The fourth proportional to 217,536.60, 326,313.74 and 103,625.85 is: 155,442.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,536.60 : 326,313.74 = 103,625.85 : x
  2. Step 2: Convert to fraction form
    217,536.60/326,313.74 = 103,625.85/x
  3. Step 3: Cross multiply
    217,536.60x = 326,313.74 × 103,625.85
  4. Step 4: Simplify right side
    217,536.60x = 33,814,538,156.05
  5. Step 5: Solve for x
    x = 33,814,538,156.05/217,536.60
  6. Step 6: Final answer
    x = 155,442.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.