Home / 194,489.34-268,028.88-140,683.10

Finding the Fourth Proportional to 194,489.34, 268,028.88 and 140,683.10

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Solution

The fourth proportional to 194,489.34, 268,028.88 and 140,683.10 is: 193,877.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,489.34 : 268,028.88 = 140,683.10 : x
  2. Step 2: Convert to fraction form
    194,489.34/268,028.88 = 140,683.10/x
  3. Step 3: Cross multiply
    194,489.34x = 268,028.88 × 140,683.10
  4. Step 4: Simplify right side
    194,489.34x = 37,707,133,727.93
  5. Step 5: Solve for x
    x = 37,707,133,727.93/194,489.34
  6. Step 6: Final answer
    x = 193,877.64

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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.