Home / 129,983.22-194,981.75-41,243.67

Finding the Fourth Proportional to 129,983.22, 194,981.75 and 41,243.67

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Solution

The fourth proportional to 129,983.22, 194,981.75 and 41,243.67 is: 61,867.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,983.22 : 194,981.75 = 41,243.67 : x
  2. Step 2: Convert to fraction form
    129,983.22/194,981.75 = 41,243.67/x
  3. Step 3: Cross multiply
    129,983.22x = 194,981.75 × 41,243.67
  4. Step 4: Simplify right side
    129,983.22x = 8,041,762,746.80
  5. Step 5: Solve for x
    x = 8,041,762,746.80/129,983.22
  6. Step 6: Final answer
    x = 61,867.70

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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.