Home / 131,456.13-197,210.72-41,512.89

Finding the Fourth Proportional to 131,456.13, 197,210.72 and 41,512.89

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Solution

The fourth proportional to 131,456.13, 197,210.72 and 41,512.89 is: 62,277.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,456.13 : 197,210.72 = 41,512.89 : x
  2. Step 2: Convert to fraction form
    131,456.13/197,210.72 = 41,512.89/x
  3. Step 3: Cross multiply
    131,456.13x = 197,210.72 × 41,512.89
  4. Step 4: Simplify right side
    131,456.13x = 8,186,787,769.50
  5. Step 5: Solve for x
    x = 8,186,787,769.50/131,456.13
  6. Step 6: Final answer
    x = 62,277.72

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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.