Home / 127,708.19-191,496.69-68,593.58

Finding the Fourth Proportional to 127,708.19, 191,496.69 and 68,593.58

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Solution

The fourth proportional to 127,708.19, 191,496.69 and 68,593.58 is: 102,855.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,708.19 : 191,496.69 = 68,593.58 : x
  2. Step 2: Convert to fraction form
    127,708.19/191,496.69 = 68,593.58/x
  3. Step 3: Cross multiply
    127,708.19x = 191,496.69 × 68,593.58
  4. Step 4: Simplify right side
    127,708.19x = 13,135,442,567.77
  5. Step 5: Solve for x
    x = 13,135,442,567.77/127,708.19
  6. Step 6: Final answer
    x = 102,855.13

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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.