Home / 131,972.70-197,829.45-65,423.10

Finding the Fourth Proportional to 131,972.70, 197,829.45 and 65,423.10

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Solution

The fourth proportional to 131,972.70, 197,829.45 and 65,423.10 is: 98,070.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,972.70 : 197,829.45 = 65,423.10 : x
  2. Step 2: Convert to fraction form
    131,972.70/197,829.45 = 65,423.10/x
  3. Step 3: Cross multiply
    131,972.70x = 197,829.45 × 65,423.10
  4. Step 4: Simplify right side
    131,972.70x = 12,942,615,890.30
  5. Step 5: Solve for x
    x = 12,942,615,890.30/131,972.70
  6. Step 6: Final answer
    x = 98,070.40

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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.