Home / 131,254.89-196,885.13-47,020.53

Finding the Fourth Proportional to 131,254.89, 196,885.13 and 47,020.53

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Solution

The fourth proportional to 131,254.89, 196,885.13 and 47,020.53 is: 70,531.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,254.89 : 196,885.13 = 47,020.53 : x
  2. Step 2: Convert to fraction form
    131,254.89/196,885.13 = 47,020.53/x
  3. Step 3: Cross multiply
    131,254.89x = 196,885.13 × 47,020.53
  4. Step 4: Simplify right side
    131,254.89x = 9,257,642,926.62
  5. Step 5: Solve for x
    x = 9,257,642,926.62/131,254.89
  6. Step 6: Final answer
    x = 70,531.79

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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.