Home / 130,902.11-196,187.00-67,710.43

Finding the Fourth Proportional to 130,902.11, 196,187.00 and 67,710.43

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Solution

The fourth proportional to 130,902.11, 196,187.00 and 67,710.43 is: 101,479.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,902.11 : 196,187.00 = 67,710.43 : x
  2. Step 2: Convert to fraction form
    130,902.11/196,187.00 = 67,710.43/x
  3. Step 3: Cross multiply
    130,902.11x = 196,187.00 × 67,710.43
  4. Step 4: Simplify right side
    130,902.11x = 13,283,906,037.09
  5. Step 5: Solve for x
    x = 13,283,906,037.09/130,902.11
  6. Step 6: Final answer
    x = 101,479.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.