Home / 194,913.12-268,984.53-114,398.72

Finding the Fourth Proportional to 194,913.12, 268,984.53 and 114,398.72

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Solution

The fourth proportional to 194,913.12, 268,984.53 and 114,398.72 is: 157,872.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,913.12 : 268,984.53 = 114,398.72 : x
  2. Step 2: Convert to fraction form
    194,913.12/268,984.53 = 114,398.72/x
  3. Step 3: Cross multiply
    194,913.12x = 268,984.53 × 114,398.72
  4. Step 4: Simplify right side
    194,913.12x = 30,771,485,595.57
  5. Step 5: Solve for x
    x = 30,771,485,595.57/194,913.12
  6. Step 6: Final answer
    x = 157,872.83

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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.