Home / 661,314.42-991,979.73-187,999.02

Finding the Fourth Proportional to 661,314.42, 991,979.73 and 187,999.02

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Solution

The fourth proportional to 661,314.42, 991,979.73 and 187,999.02 is: 282,000.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,314.42 : 991,979.73 = 187,999.02 : x
  2. Step 2: Convert to fraction form
    661,314.42/991,979.73 = 187,999.02/x
  3. Step 3: Cross multiply
    661,314.42x = 991,979.73 × 187,999.02
  4. Step 4: Simplify right side
    661,314.42x = 186,491,217,099.87
  5. Step 5: Solve for x
    x = 186,491,217,099.87/661,314.42
  6. Step 6: Final answer
    x = 282,000.83

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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.