Home / 235,002.12-352,503.18-68,790.12

Finding the Fourth Proportional to 235,002.12, 352,503.18 and 68,790.12

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Solution

The fourth proportional to 235,002.12, 352,503.18 and 68,790.12 is: 103,185.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,002.12 : 352,503.18 = 68,790.12 : x
  2. Step 2: Convert to fraction form
    235,002.12/352,503.18 = 68,790.12/x
  3. Step 3: Cross multiply
    235,002.12x = 352,503.18 × 68,790.12
  4. Step 4: Simplify right side
    235,002.12x = 24,248,736,052.58
  5. Step 5: Solve for x
    x = 24,248,736,052.58/235,002.12
  6. Step 6: Final answer
    x = 103,185.18

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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.