Home / 118,540.24-177,834.66-39,655.14

Finding the Fourth Proportional to 118,540.24, 177,834.66 and 39,655.14

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Solution

The fourth proportional to 118,540.24, 177,834.66 and 39,655.14 is: 59,490.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,540.24 : 177,834.66 = 39,655.14 : x
  2. Step 2: Convert to fraction form
    118,540.24/177,834.66 = 39,655.14/x
  3. Step 3: Cross multiply
    118,540.24x = 177,834.66 × 39,655.14
  4. Step 4: Simplify right side
    118,540.24x = 7,052,058,339.15
  5. Step 5: Solve for x
    x = 7,052,058,339.15/118,540.24
  6. Step 6: Final answer
    x = 59,490.84

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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.