Home / 118,190.26-163,102.62-64,475.38

Finding the Fourth Proportional to 118,190.26, 163,102.62 and 64,475.38

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Solution

The fourth proportional to 118,190.26, 163,102.62 and 64,475.38 is: 88,976.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,190.26 : 163,102.62 = 64,475.38 : x
  2. Step 2: Convert to fraction form
    118,190.26/163,102.62 = 64,475.38/x
  3. Step 3: Cross multiply
    118,190.26x = 163,102.62 × 64,475.38
  4. Step 4: Simplify right side
    118,190.26x = 10,516,103,403.50
  5. Step 5: Solve for x
    x = 10,516,103,403.50/118,190.26
  6. Step 6: Final answer
    x = 88,976.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.