Home / 231,101.44-346,636.80-90,883.84

Finding the Fourth Proportional to 231,101.44, 346,636.80 and 90,883.84

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Solution

The fourth proportional to 231,101.44, 346,636.80 and 90,883.84 is: 136,319.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,101.44 : 346,636.80 = 90,883.84 : x
  2. Step 2: Convert to fraction form
    231,101.44/346,636.80 = 90,883.84/x
  3. Step 3: Cross multiply
    231,101.44x = 346,636.80 × 90,883.84
  4. Step 4: Simplify right side
    231,101.44x = 31,503,683,469.31
  5. Step 5: Solve for x
    x = 31,503,683,469.31/231,101.44
  6. Step 6: Final answer
    x = 136,319.72

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1.5x scale

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.