Home / 130,666.50-195,981.30-41,908.49

Finding the Fourth Proportional to 130,666.50, 195,981.30 and 41,908.49

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Solution

The fourth proportional to 130,666.50, 195,981.30 and 41,908.49 is: 62,856.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,666.50 : 195,981.30 = 41,908.49 : x
  2. Step 2: Convert to fraction form
    130,666.50/195,981.30 = 41,908.49/x
  3. Step 3: Cross multiply
    130,666.50x = 195,981.30 × 41,908.49
  4. Step 4: Simplify right side
    130,666.50x = 8,213,279,371.33
  5. Step 5: Solve for x
    x = 8,213,279,371.33/130,666.50
  6. Step 6: Final answer
    x = 62,856.81

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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.