Home / 193,272.19-266,715.10-108,391.07

Finding the Fourth Proportional to 193,272.19, 266,715.10 and 108,391.07

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Solution

The fourth proportional to 193,272.19, 266,715.10 and 108,391.07 is: 149,579.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,272.19 : 266,715.10 = 108,391.07 : x
  2. Step 2: Convert to fraction form
    193,272.19/266,715.10 = 108,391.07/x
  3. Step 3: Cross multiply
    193,272.19x = 266,715.10 × 108,391.07
  4. Step 4: Simplify right side
    193,272.19x = 28,909,535,074.16
  5. Step 5: Solve for x
    x = 28,909,535,074.16/193,272.19
  6. Step 6: Final answer
    x = 149,579.38

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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.