Home / 104,976.70-157,465.05-92,510.80

Finding the Fourth Proportional to 104,976.70, 157,465.05 and 92,510.80

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Solution

The fourth proportional to 104,976.70, 157,465.05 and 92,510.80 is: 138,766.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,976.70 : 157,465.05 = 92,510.80 : x
  2. Step 2: Convert to fraction form
    104,976.70/157,465.05 = 92,510.80/x
  3. Step 3: Cross multiply
    104,976.70x = 157,465.05 × 92,510.80
  4. Step 4: Simplify right side
    104,976.70x = 14,567,217,747.54
  5. Step 5: Solve for x
    x = 14,567,217,747.54/104,976.70
  6. Step 6: Final answer
    x = 138,766.20

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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.