Home / 108,100.20-149,168.44-60,344.76

Finding the Fourth Proportional to 108,100.20, 149,168.44 and 60,344.76

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Solution

The fourth proportional to 108,100.20, 149,168.44 and 60,344.76 is: 83,270.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,100.20 : 149,168.44 = 60,344.76 : x
  2. Step 2: Convert to fraction form
    108,100.20/149,168.44 = 60,344.76/x
  3. Step 3: Cross multiply
    108,100.20x = 149,168.44 × 60,344.76
  4. Step 4: Simplify right side
    108,100.20x = 9,001,533,711.37
  5. Step 5: Solve for x
    x = 9,001,533,711.37/108,100.20
  6. Step 6: Final answer
    x = 83,270.28

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1.5x scale

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.