Home / 230,516.10-318,136.41-173,837.70

Finding the Fourth Proportional to 230,516.10, 318,136.41 and 173,837.70

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Solution

The fourth proportional to 230,516.10, 318,136.41 and 173,837.70 is: 239,914.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,516.10 : 318,136.41 = 173,837.70 : x
  2. Step 2: Convert to fraction form
    230,516.10/318,136.41 = 173,837.70/x
  3. Step 3: Cross multiply
    230,516.10x = 318,136.41 × 173,837.70
  4. Step 4: Simplify right side
    230,516.10x = 55,304,101,800.66
  5. Step 5: Solve for x
    x = 55,304,101,800.66/230,516.10
  6. Step 6: Final answer
    x = 239,914.27

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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.