Home / 199,000.40-298,306.20-178,005.20

Finding the Fourth Proportional to 199,000.40, 298,306.20 and 178,005.20

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Solution

The fourth proportional to 199,000.40, 298,306.20 and 178,005.20 is: 266,833.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,000.40 : 298,306.20 = 178,005.20 : x
  2. Step 2: Convert to fraction form
    199,000.40/298,306.20 = 178,005.20/x
  3. Step 3: Cross multiply
    199,000.40x = 298,306.20 × 178,005.20
  4. Step 4: Simplify right side
    199,000.40x = 53,100,054,792.24
  5. Step 5: Solve for x
    x = 53,100,054,792.24/199,000.40
  6. Step 6: Final answer
    x = 266,833.91

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1.5x scale

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.