Home / 131,105.60-196,672.80-48,017.60

Finding the Fourth Proportional to 131,105.60, 196,672.80 and 48,017.60

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Solution

The fourth proportional to 131,105.60, 196,672.80 and 48,017.60 is: 72,031.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,105.60 : 196,672.80 = 48,017.60 : x
  2. Step 2: Convert to fraction form
    131,105.60/196,672.80 = 48,017.60/x
  3. Step 3: Cross multiply
    131,105.60x = 196,672.80 × 48,017.60
  4. Step 4: Simplify right side
    131,105.60x = 9,443,755,841.28
  5. Step 5: Solve for x
    x = 9,443,755,841.28/131,105.60
  6. Step 6: Final answer
    x = 72,031.67

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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.