Home / 118,796.19-178,220.88-39,908.27

Finding the Fourth Proportional to 118,796.19, 178,220.88 and 39,908.27

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Solution

The fourth proportional to 118,796.19, 178,220.88 and 39,908.27 is: 59,871.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,796.19 : 178,220.88 = 39,908.27 : x
  2. Step 2: Convert to fraction form
    118,796.19/178,220.88 = 39,908.27/x
  3. Step 3: Cross multiply
    118,796.19x = 178,220.88 × 39,908.27
  4. Step 4: Simplify right side
    118,796.19x = 7,112,486,007.80
  5. Step 5: Solve for x
    x = 7,112,486,007.80/118,796.19
  6. Step 6: Final answer
    x = 59,871.33

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1.5x scale

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.