Home / 129,110.19-193,649.87-34,347.33

Finding the Fourth Proportional to 129,110.19, 193,649.87 and 34,347.33

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Solution

The fourth proportional to 129,110.19, 193,649.87 and 34,347.33 is: 51,516.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,110.19 : 193,649.87 = 34,347.33 : x
  2. Step 2: Convert to fraction form
    129,110.19/193,649.87 = 34,347.33/x
  3. Step 3: Cross multiply
    129,110.19x = 193,649.87 × 34,347.33
  4. Step 4: Simplify right side
    129,110.19x = 6,651,355,989.35
  5. Step 5: Solve for x
    x = 6,651,355,989.35/129,110.19
  6. Step 6: Final answer
    x = 51,516.89

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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.