Home / 102,926.15-154,189.41-75,859.28

Finding the Fourth Proportional to 102,926.15, 154,189.41 and 75,859.28

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Solution

The fourth proportional to 102,926.15, 154,189.41 and 75,859.28 is: 113,641.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,926.15 : 154,189.41 = 75,859.28 : x
  2. Step 2: Convert to fraction form
    102,926.15/154,189.41 = 75,859.28/x
  3. Step 3: Cross multiply
    102,926.15x = 154,189.41 × 75,859.28
  4. Step 4: Simplify right side
    102,926.15x = 11,696,697,626.22
  5. Step 5: Solve for x
    x = 11,696,697,626.22/102,926.15
  6. Step 6: Final answer
    x = 113,641.65

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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.