Home / 145,516.06-200,839.72-91,093.56

Finding the Fourth Proportional to 145,516.06, 200,839.72 and 91,093.56

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Solution

The fourth proportional to 145,516.06, 200,839.72 and 91,093.56 is: 125,726.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,516.06 : 200,839.72 = 91,093.56 : x
  2. Step 2: Convert to fraction form
    145,516.06/200,839.72 = 91,093.56/x
  3. Step 3: Cross multiply
    145,516.06x = 200,839.72 × 91,093.56
  4. Step 4: Simplify right side
    145,516.06x = 18,295,205,084.20
  5. Step 5: Solve for x
    x = 18,295,205,084.20/145,516.06
  6. Step 6: Final answer
    x = 125,726.36

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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.