Home / 108,116.24-149,173.80-65,672.24

Finding the Fourth Proportional to 108,116.24, 149,173.80 and 65,672.24

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Solution

The fourth proportional to 108,116.24, 149,173.80 and 65,672.24 is: 90,611.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,116.24 : 149,173.80 = 65,672.24 : x
  2. Step 2: Convert to fraction form
    108,116.24/149,173.80 = 65,672.24/x
  3. Step 3: Cross multiply
    108,116.24x = 149,173.80 × 65,672.24
  4. Step 4: Simplify right side
    108,116.24x = 9,796,577,595.31
  5. Step 5: Solve for x
    x = 9,796,577,595.31/108,116.24
  6. Step 6: Final answer
    x = 90,611.53

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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.