Home / 110,225.24-165,286.01-76,982.84

Finding the Fourth Proportional to 110,225.24, 165,286.01 and 76,982.84

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Solution

The fourth proportional to 110,225.24, 165,286.01 and 76,982.84 is: 115,438.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,225.24 : 165,286.01 = 76,982.84 : x
  2. Step 2: Convert to fraction form
    110,225.24/165,286.01 = 76,982.84/x
  3. Step 3: Cross multiply
    110,225.24x = 165,286.01 × 76,982.84
  4. Step 4: Simplify right side
    110,225.24x = 12,724,186,462.07
  5. Step 5: Solve for x
    x = 12,724,186,462.07/110,225.24
  6. Step 6: Final answer
    x = 115,438.05

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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.