Home / 115,494.68-159,535.62-92,918.72

Finding the Fourth Proportional to 115,494.68, 159,535.62 and 92,918.72

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Solution

The fourth proportional to 115,494.68, 159,535.62 and 92,918.72 is: 128,350.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,494.68 : 159,535.62 = 92,918.72 : x
  2. Step 2: Convert to fraction form
    115,494.68/159,535.62 = 92,918.72/x
  3. Step 3: Cross multiply
    115,494.68x = 159,535.62 × 92,918.72
  4. Step 4: Simplify right side
    115,494.68x = 14,823,845,604.81
  5. Step 5: Solve for x
    x = 14,823,845,604.81/115,494.68
  6. Step 6: Final answer
    x = 128,350.90

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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.