Home / 118,261.44-163,204.20-64,549.89

Finding the Fourth Proportional to 118,261.44, 163,204.20 and 64,549.89

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Solution

The fourth proportional to 118,261.44, 163,204.20 and 64,549.89 is: 89,080.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,261.44 : 163,204.20 = 64,549.89 : x
  2. Step 2: Convert to fraction form
    118,261.44/163,204.20 = 64,549.89/x
  3. Step 3: Cross multiply
    118,261.44x = 163,204.20 × 64,549.89
  4. Step 4: Simplify right side
    118,261.44x = 10,534,813,157.54
  5. Step 5: Solve for x
    x = 10,534,813,157.54/118,261.44
  6. Step 6: Final answer
    x = 89,080.71

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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.