Home / 126,034.72-189,052.32-118,336.48

Finding the Fourth Proportional to 126,034.72, 189,052.32 and 118,336.48

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Solution

The fourth proportional to 126,034.72, 189,052.32 and 118,336.48 is: 177,504.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,034.72 : 189,052.32 = 118,336.48 : x
  2. Step 2: Convert to fraction form
    126,034.72/189,052.32 = 118,336.48/x
  3. Step 3: Cross multiply
    126,034.72x = 189,052.32 × 118,336.48
  4. Step 4: Simplify right side
    126,034.72x = 22,371,786,084.63
  5. Step 5: Solve for x
    x = 22,371,786,084.63/126,034.72
  6. Step 6: Final answer
    x = 177,504.95

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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.