Home / 443,230.58-664,724.77-158,868.12

Finding the Fourth Proportional to 443,230.58, 664,724.77 and 158,868.12

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Solution

The fourth proportional to 443,230.58, 664,724.77 and 158,868.12 is: 238,258.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,230.58 : 664,724.77 = 158,868.12 : x
  2. Step 2: Convert to fraction form
    443,230.58/664,724.77 = 158,868.12/x
  3. Step 3: Cross multiply
    443,230.58x = 664,724.77 × 158,868.12
  4. Step 4: Simplify right side
    443,230.58x = 105,603,575,716.04
  5. Step 5: Solve for x
    x = 105,603,575,716.04/443,230.58
  6. Step 6: Final answer
    x = 238,258.78

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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.