Home / 131,333.69-196,980.88-47,081.13

Finding the Fourth Proportional to 131,333.69, 196,980.88 and 47,081.13

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Solution

The fourth proportional to 131,333.69, 196,980.88 and 47,081.13 is: 70,614.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,333.69 : 196,980.88 = 47,081.13 : x
  2. Step 2: Convert to fraction form
    131,333.69/196,980.88 = 47,081.13/x
  3. Step 3: Cross multiply
    131,333.69x = 196,980.88 × 47,081.13
  4. Step 4: Simplify right side
    131,333.69x = 9,274,082,418.79
  5. Step 5: Solve for x
    x = 9,274,082,418.79/131,333.69
  6. Step 6: Final answer
    x = 70,614.65

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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.