Home / 126,936.34-190,414.06-42,696.74

Finding the Fourth Proportional to 126,936.34, 190,414.06 and 42,696.74

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Solution

The fourth proportional to 126,936.34, 190,414.06 and 42,696.74 is: 64,048.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,936.34 : 190,414.06 = 42,696.74 : x
  2. Step 2: Convert to fraction form
    126,936.34/190,414.06 = 42,696.74/x
  3. Step 3: Cross multiply
    126,936.34x = 190,414.06 × 42,696.74
  4. Step 4: Simplify right side
    126,936.34x = 8,130,059,612.16
  5. Step 5: Solve for x
    x = 8,130,059,612.16/126,936.34
  6. Step 6: Final answer
    x = 64,048.32

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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.