Home / 109,136.27-150,606.57-61,389.66

Finding the Fourth Proportional to 109,136.27, 150,606.57 and 61,389.66

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Solution

The fourth proportional to 109,136.27, 150,606.57 and 61,389.66 is: 84,716.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,136.27 : 150,606.57 = 61,389.66 : x
  2. Step 2: Convert to fraction form
    109,136.27/150,606.57 = 61,389.66/x
  3. Step 3: Cross multiply
    109,136.27x = 150,606.57 × 61,389.66
  4. Step 4: Simplify right side
    109,136.27x = 9,245,686,921.05
  5. Step 5: Solve for x
    x = 9,245,686,921.05/109,136.27
  6. Step 6: Final answer
    x = 84,716.90

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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.