Home / 190,031.66-285,091.85-55,098.55

Finding the Fourth Proportional to 190,031.66, 285,091.85 and 55,098.55

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Solution

The fourth proportional to 190,031.66, 285,091.85 and 55,098.55 is: 82,660.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,031.66 : 285,091.85 = 55,098.55 : x
  2. Step 2: Convert to fraction form
    190,031.66/285,091.85 = 55,098.55/x
  3. Step 3: Cross multiply
    190,031.66x = 285,091.85 × 55,098.55
  4. Step 4: Simplify right side
    190,031.66x = 15,708,147,551.82
  5. Step 5: Solve for x
    x = 15,708,147,551.82/190,031.66
  6. Step 6: Final answer
    x = 82,660.69

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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.