Home / 140,616.64-193,849.14-100,260.46

Finding the Fourth Proportional to 140,616.64, 193,849.14 and 100,260.46

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Solution

The fourth proportional to 140,616.64, 193,849.14 and 100,260.46 is: 138,215.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,616.64 : 193,849.14 = 100,260.46 : x
  2. Step 2: Convert to fraction form
    140,616.64/193,849.14 = 100,260.46/x
  3. Step 3: Cross multiply
    140,616.64x = 193,849.14 × 100,260.46
  4. Step 4: Simplify right side
    140,616.64x = 19,435,403,947.00
  5. Step 5: Solve for x
    x = 19,435,403,947.00/140,616.64
  6. Step 6: Final answer
    x = 138,215.53

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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.