Home / 131,207.28-196,789.86-46,951.80

Finding the Fourth Proportional to 131,207.28, 196,789.86 and 46,951.80

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Solution

The fourth proportional to 131,207.28, 196,789.86 and 46,951.80 is: 70,420.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,207.28 : 196,789.86 = 46,951.80 : x
  2. Step 2: Convert to fraction form
    131,207.28/196,789.86 = 46,951.80/x
  3. Step 3: Cross multiply
    131,207.28x = 196,789.86 × 46,951.80
  4. Step 4: Simplify right side
    131,207.28x = 9,239,638,148.75
  5. Step 5: Solve for x
    x = 9,239,638,148.75/131,207.28
  6. Step 6: Final answer
    x = 70,420.16

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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.