Home / 138,932.48-208,399.23-33,751.45

Finding the Fourth Proportional to 138,932.48, 208,399.23 and 33,751.45

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Solution

The fourth proportional to 138,932.48, 208,399.23 and 33,751.45 is: 50,627.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,932.48 : 208,399.23 = 33,751.45 : x
  2. Step 2: Convert to fraction form
    138,932.48/208,399.23 = 33,751.45/x
  3. Step 3: Cross multiply
    138,932.48x = 208,399.23 × 33,751.45
  4. Step 4: Simplify right side
    138,932.48x = 7,033,776,191.38
  5. Step 5: Solve for x
    x = 7,033,776,191.38/138,932.48
  6. Step 6: Final answer
    x = 50,627.30

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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.