Home / 129,961.23-195,003.81-70,795.59

Finding the Fourth Proportional to 129,961.23, 195,003.81 and 70,795.59

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Solution

The fourth proportional to 129,961.23, 195,003.81 and 70,795.59 is: 106,227.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,961.23 : 195,003.81 = 70,795.59 : x
  2. Step 2: Convert to fraction form
    129,961.23/195,003.81 = 70,795.59/x
  3. Step 3: Cross multiply
    129,961.23x = 195,003.81 × 70,795.59
  4. Step 4: Simplify right side
    129,961.23x = 13,805,409,781.20
  5. Step 5: Solve for x
    x = 13,805,409,781.20/129,961.23
  6. Step 6: Final answer
    x = 106,227.14

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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.