Home / 194,563.56-268,456.68-118,122.86

Finding the Fourth Proportional to 194,563.56, 268,456.68 and 118,122.86

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Solution

The fourth proportional to 194,563.56, 268,456.68 and 118,122.86 is: 162,984.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,563.56 : 268,456.68 = 118,122.86 : x
  2. Step 2: Convert to fraction form
    194,563.56/268,456.68 = 118,122.86/x
  3. Step 3: Cross multiply
    194,563.56x = 268,456.68 × 118,122.86
  4. Step 4: Simplify right side
    194,563.56x = 31,710,870,827.70
  5. Step 5: Solve for x
    x = 31,710,870,827.70/194,563.56
  6. Step 6: Final answer
    x = 162,984.64

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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.