Home / 193,041.09-266,404.01-108,155.25

Finding the Fourth Proportional to 193,041.09, 266,404.01 and 108,155.25

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Solution

The fourth proportional to 193,041.09, 266,404.01 and 108,155.25 is: 149,258.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,041.09 : 266,404.01 = 108,155.25 : x
  2. Step 2: Convert to fraction form
    193,041.09/266,404.01 = 108,155.25/x
  3. Step 3: Cross multiply
    193,041.09x = 266,404.01 × 108,155.25
  4. Step 4: Simplify right side
    193,041.09x = 28,812,991,761.78
  5. Step 5: Solve for x
    x = 28,812,991,761.78/193,041.09
  6. Step 6: Final answer
    x = 149,258.34

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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.