Home / 135,740.61-203,647.37-59,845.64

Finding the Fourth Proportional to 135,740.61, 203,647.37 and 59,845.64

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Solution

The fourth proportional to 135,740.61, 203,647.37 and 59,845.64 is: 89,784.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,740.61 : 203,647.37 = 59,845.64 : x
  2. Step 2: Convert to fraction form
    135,740.61/203,647.37 = 59,845.64/x
  3. Step 3: Cross multiply
    135,740.61x = 203,647.37 × 59,845.64
  4. Step 4: Simplify right side
    135,740.61x = 12,187,405,874.50
  5. Step 5: Solve for x
    x = 12,187,405,874.50/135,740.61
  6. Step 6: Final answer
    x = 89,784.52

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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.