Home / 192,585.40-265,804.34-129,033.61

Finding the Fourth Proportional to 192,585.40, 265,804.34 and 129,033.61

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Solution

The fourth proportional to 192,585.40, 265,804.34 and 129,033.61 is: 178,090.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,585.40 : 265,804.34 = 129,033.61 : x
  2. Step 2: Convert to fraction form
    192,585.40/265,804.34 = 129,033.61/x
  3. Step 3: Cross multiply
    192,585.40x = 265,804.34 × 129,033.61
  4. Step 4: Simplify right side
    192,585.40x = 34,297,692,234.19
  5. Step 5: Solve for x
    x = 34,297,692,234.19/192,585.40
  6. Step 6: Final answer
    x = 178,090.82

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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.