Home / 118,157.76-163,091.43-67,197.96

Finding the Fourth Proportional to 118,157.76, 163,091.43 and 67,197.96

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Solution

The fourth proportional to 118,157.76, 163,091.43 and 67,197.96 is: 92,752.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,157.76 : 163,091.43 = 67,197.96 : x
  2. Step 2: Convert to fraction form
    118,157.76/163,091.43 = 67,197.96/x
  3. Step 3: Cross multiply
    118,157.76x = 163,091.43 × 67,197.96
  4. Step 4: Simplify right side
    118,157.76x = 10,959,411,389.48
  5. Step 5: Solve for x
    x = 10,959,411,389.48/118,157.76
  6. Step 6: Final answer
    x = 92,752.36

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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.