Home / 135,934.14-203,788.95-59,978.61

Finding the Fourth Proportional to 135,934.14, 203,788.95 and 59,978.61

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Solution

The fourth proportional to 135,934.14, 203,788.95 and 59,978.61 is: 89,918.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,934.14 : 203,788.95 = 59,978.61 : x
  2. Step 2: Convert to fraction form
    135,934.14/203,788.95 = 59,978.61/x
  3. Step 3: Cross multiply
    135,934.14x = 203,788.95 × 59,978.61
  4. Step 4: Simplify right side
    135,934.14x = 12,222,977,954.36
  5. Step 5: Solve for x
    x = 12,222,977,954.36/135,934.14
  6. Step 6: Final answer
    x = 89,918.38

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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.