Home / 184,087.20-275,936.40-105,031.20

Finding the Fourth Proportional to 184,087.20, 275,936.40 and 105,031.20

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Solution

The fourth proportional to 184,087.20, 275,936.40 and 105,031.20 is: 157,435.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,087.20 : 275,936.40 = 105,031.20 : x
  2. Step 2: Convert to fraction form
    184,087.20/275,936.40 = 105,031.20/x
  3. Step 3: Cross multiply
    184,087.20x = 275,936.40 × 105,031.20
  4. Step 4: Simplify right side
    184,087.20x = 28,981,931,215.68
  5. Step 5: Solve for x
    x = 28,981,931,215.68/184,087.20
  6. Step 6: Final answer
    x = 157,435.88

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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.