Home / 131,404.53-197,120.54-60,315.03

Finding the Fourth Proportional to 131,404.53, 197,120.54 and 60,315.03

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Solution

The fourth proportional to 131,404.53, 197,120.54 and 60,315.03 is: 90,478.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,404.53 : 197,120.54 = 60,315.03 : x
  2. Step 2: Convert to fraction form
    131,404.53/197,120.54 = 60,315.03/x
  3. Step 3: Cross multiply
    131,404.53x = 197,120.54 × 60,315.03
  4. Step 4: Simplify right side
    131,404.53x = 11,889,331,095.23
  5. Step 5: Solve for x
    x = 11,889,331,095.23/131,404.53
  6. Step 6: Final answer
    x = 90,478.85

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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.