Home / 125,136.38-187,703.06-50,255.18

Finding the Fourth Proportional to 125,136.38, 187,703.06 and 50,255.18

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Solution

The fourth proportional to 125,136.38, 187,703.06 and 50,255.18 is: 75,382.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,136.38 : 187,703.06 = 50,255.18 : x
  2. Step 2: Convert to fraction form
    125,136.38/187,703.06 = 50,255.18/x
  3. Step 3: Cross multiply
    125,136.38x = 187,703.06 × 50,255.18
  4. Step 4: Simplify right side
    125,136.38x = 9,433,049,877.06
  5. Step 5: Solve for x
    x = 9,433,049,877.06/125,136.38
  6. Step 6: Final answer
    x = 75,382.16

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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.