Home / 108,738.20-163,544.70-97,365.80

Finding the Fourth Proportional to 108,738.20, 163,544.70 and 97,365.80

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Solution

The fourth proportional to 108,738.20, 163,544.70 and 97,365.80 is: 146,440.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,738.20 : 163,544.70 = 97,365.80 : x
  2. Step 2: Convert to fraction form
    108,738.20/163,544.70 = 97,365.80/x
  3. Step 3: Cross multiply
    108,738.20x = 163,544.70 × 97,365.80
  4. Step 4: Simplify right side
    108,738.20x = 15,923,660,551.26
  5. Step 5: Solve for x
    x = 15,923,660,551.26/108,738.20
  6. Step 6: Final answer
    x = 146,440.35

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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.