Home / 136,280.97-188,065.83-75,851.63

Finding the Fourth Proportional to 136,280.97, 188,065.83 and 75,851.63

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Solution

The fourth proportional to 136,280.97, 188,065.83 and 75,851.63 is: 104,674.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,280.97 : 188,065.83 = 75,851.63 : x
  2. Step 2: Convert to fraction form
    136,280.97/188,065.83 = 75,851.63/x
  3. Step 3: Cross multiply
    136,280.97x = 188,065.83 × 75,851.63
  4. Step 4: Simplify right side
    136,280.97x = 14,265,099,233.28
  5. Step 5: Solve for x
    x = 14,265,099,233.28/136,280.97
  6. Step 6: Final answer
    x = 104,674.18

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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.