Home / 136,269.69-188,052.17-75,854.61

Finding the Fourth Proportional to 136,269.69, 188,052.17 and 75,854.61

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Solution

The fourth proportional to 136,269.69, 188,052.17 and 75,854.61 is: 104,679.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,269.69 : 188,052.17 = 75,854.61 : x
  2. Step 2: Convert to fraction form
    136,269.69/188,052.17 = 75,854.61/x
  3. Step 3: Cross multiply
    136,269.69x = 188,052.17 × 75,854.61
  4. Step 4: Simplify right side
    136,269.69x = 14,264,624,015.00
  5. Step 5: Solve for x
    x = 14,264,624,015.00/136,269.69
  6. Step 6: Final answer
    x = 104,679.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.