Home / 123,899.80-185,856.76-35,146.32

Finding the Fourth Proportional to 123,899.80, 185,856.76 and 35,146.32

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Solution

The fourth proportional to 123,899.80, 185,856.76 and 35,146.32 is: 52,721.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,899.80 : 185,856.76 = 35,146.32 : x
  2. Step 2: Convert to fraction form
    123,899.80/185,856.76 = 35,146.32/x
  3. Step 3: Cross multiply
    123,899.80x = 185,856.76 × 35,146.32
  4. Step 4: Simplify right side
    123,899.80x = 6,532,181,161.12
  5. Step 5: Solve for x
    x = 6,532,181,161.12/123,899.80
  6. Step 6: Final answer
    x = 52,721.48

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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.