Home / 131,663.49-197,448.53-47,401.03

Finding the Fourth Proportional to 131,663.49, 197,448.53 and 47,401.03

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Solution

The fourth proportional to 131,663.49, 197,448.53 and 47,401.03 is: 71,084.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,663.49 : 197,448.53 = 47,401.03 : x
  2. Step 2: Convert to fraction form
    131,663.49/197,448.53 = 47,401.03/x
  3. Step 3: Cross multiply
    131,663.49x = 197,448.53 × 47,401.03
  4. Step 4: Simplify right side
    131,663.49x = 9,359,263,693.99
  5. Step 5: Solve for x
    x = 9,359,263,693.99/131,663.49
  6. Step 6: Final answer
    x = 71,084.73

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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.