Home / 118,988.85-178,436.97-59,783.25

Finding the Fourth Proportional to 118,988.85, 178,436.97 and 59,783.25

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Solution

The fourth proportional to 118,988.85, 178,436.97 and 59,783.25 is: 89,651.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,988.85 : 178,436.97 = 59,783.25 : x
  2. Step 2: Convert to fraction form
    118,988.85/178,436.97 = 59,783.25/x
  3. Step 3: Cross multiply
    118,988.85x = 178,436.97 × 59,783.25
  4. Step 4: Simplify right side
    118,988.85x = 10,667,541,986.75
  5. Step 5: Solve for x
    x = 10,667,541,986.75/118,988.85
  6. Step 6: Final answer
    x = 89,651.61

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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.