Home / 239,136.10-330,016.28-148,541.68

Finding the Fourth Proportional to 239,136.10, 330,016.28 and 148,541.68

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Solution

The fourth proportional to 239,136.10, 330,016.28 and 148,541.68 is: 204,992.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,136.10 : 330,016.28 = 148,541.68 : x
  2. Step 2: Convert to fraction form
    239,136.10/330,016.28 = 148,541.68/x
  3. Step 3: Cross multiply
    239,136.10x = 330,016.28 × 148,541.68
  4. Step 4: Simplify right side
    239,136.10x = 49,021,172,658.55
  5. Step 5: Solve for x
    x = 49,021,172,658.55/239,136.10
  6. Step 6: Final answer
    x = 204,992.77

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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.