Home / 136,374.52-188,195.32-75,943.84

Finding the Fourth Proportional to 136,374.52, 188,195.32 and 75,943.84

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Solution

The fourth proportional to 136,374.52, 188,195.32 and 75,943.84 is: 104,801.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,374.52 : 188,195.32 = 75,943.84 : x
  2. Step 2: Convert to fraction form
    136,374.52/188,195.32 = 75,943.84/x
  3. Step 3: Cross multiply
    136,374.52x = 188,195.32 × 75,943.84
  4. Step 4: Simplify right side
    136,374.52x = 14,292,275,270.83
  5. Step 5: Solve for x
    x = 14,292,275,270.83/136,374.52
  6. Step 6: Final answer
    x = 104,801.65

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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.