Home / 285,729.46-428,594.19-96,173.95

Finding the Fourth Proportional to 285,729.46, 428,594.19 and 96,173.95

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Solution

The fourth proportional to 285,729.46, 428,594.19 and 96,173.95 is: 144,260.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,729.46 : 428,594.19 = 96,173.95 : x
  2. Step 2: Convert to fraction form
    285,729.46/428,594.19 = 96,173.95/x
  3. Step 3: Cross multiply
    285,729.46x = 428,594.19 × 96,173.95
  4. Step 4: Simplify right side
    285,729.46x = 41,219,597,083.49
  5. Step 5: Solve for x
    x = 41,219,597,083.49/285,729.46
  6. Step 6: Final answer
    x = 144,260.93

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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.