Home / 323,904.55-447,013.61-178,739.13

Finding the Fourth Proportional to 323,904.55, 447,013.61 and 178,739.13

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Solution

The fourth proportional to 323,904.55, 447,013.61 and 178,739.13 is: 246,673.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,904.55 : 447,013.61 = 178,739.13 : x
  2. Step 2: Convert to fraction form
    323,904.55/447,013.61 = 178,739.13/x
  3. Step 3: Cross multiply
    323,904.55x = 447,013.61 × 178,739.13
  4. Step 4: Simplify right side
    323,904.55x = 79,898,824,447.91
  5. Step 5: Solve for x
    x = 79,898,824,447.91/323,904.55
  6. Step 6: Final answer
    x = 246,673.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.