Home / 140,449.32-193,805.10-83,090.79

Finding the Fourth Proportional to 140,449.32, 193,805.10 and 83,090.79

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Solution

The fourth proportional to 140,449.32, 193,805.10 and 83,090.79 is: 114,656.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,449.32 : 193,805.10 = 83,090.79 : x
  2. Step 2: Convert to fraction form
    140,449.32/193,805.10 = 83,090.79/x
  3. Step 3: Cross multiply
    140,449.32x = 193,805.10 × 83,090.79
  4. Step 4: Simplify right side
    140,449.32x = 16,103,418,865.03
  5. Step 5: Solve for x
    x = 16,103,418,865.03/140,449.32
  6. Step 6: Final answer
    x = 114,656.44

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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.