Home / 108,368.28-149,577.18-101,759.64

Finding the Fourth Proportional to 108,368.28, 149,577.18 and 101,759.64

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Solution

The fourth proportional to 108,368.28, 149,577.18 and 101,759.64 is: 140,455.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,368.28 : 149,577.18 = 101,759.64 : x
  2. Step 2: Convert to fraction form
    108,368.28/149,577.18 = 101,759.64/x
  3. Step 3: Cross multiply
    108,368.28x = 149,577.18 × 101,759.64
  4. Step 4: Simplify right side
    108,368.28x = 15,220,919,989.02
  5. Step 5: Solve for x
    x = 15,220,919,989.02/108,368.28
  6. Step 6: Final answer
    x = 140,455.49

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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.