Home / 195,899.16-293,832.40-138,736.72

Finding the Fourth Proportional to 195,899.16, 293,832.40 and 138,736.72

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Solution

The fourth proportional to 195,899.16, 293,832.40 and 138,736.72 is: 208,093.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,899.16 : 293,832.40 = 138,736.72 : x
  2. Step 2: Convert to fraction form
    195,899.16/293,832.40 = 138,736.72/x
  3. Step 3: Cross multiply
    195,899.16x = 293,832.40 × 138,736.72
  4. Step 4: Simplify right side
    195,899.16x = 40,765,343,405.73
  5. Step 5: Solve for x
    x = 40,765,343,405.73/195,899.16
  6. Step 6: Final answer
    x = 208,093.51

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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.