Home / 194,639.41-268,434.57-126,631.54

Finding the Fourth Proportional to 194,639.41, 268,434.57 and 126,631.54

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Solution

The fourth proportional to 194,639.41, 268,434.57 and 126,631.54 is: 174,642.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,639.41 : 268,434.57 = 126,631.54 : x
  2. Step 2: Convert to fraction form
    194,639.41/268,434.57 = 126,631.54/x
  3. Step 3: Cross multiply
    194,639.41x = 268,434.57 × 126,631.54
  4. Step 4: Simplify right side
    194,639.41x = 33,992,282,988.34
  5. Step 5: Solve for x
    x = 33,992,282,988.34/194,639.41
  6. Step 6: Final answer
    x = 174,642.34

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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.