Home / 136,331.07-188,136.44-75,900.14

Finding the Fourth Proportional to 136,331.07, 188,136.44 and 75,900.14

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Solution

The fourth proportional to 136,331.07, 188,136.44 and 75,900.14 is: 104,741.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,331.07 : 188,136.44 = 75,900.14 : x
  2. Step 2: Convert to fraction form
    136,331.07/188,136.44 = 75,900.14/x
  3. Step 3: Cross multiply
    136,331.07x = 188,136.44 × 75,900.14
  4. Step 4: Simplify right side
    136,331.07x = 14,279,581,805.06
  5. Step 5: Solve for x
    x = 14,279,581,805.06/136,331.07
  6. Step 6: Final answer
    x = 104,741.95

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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.