Home / 104,656.06-157,301.28-69,238.20

Finding the Fourth Proportional to 104,656.06, 157,301.28 and 69,238.20

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Solution

The fourth proportional to 104,656.06, 157,301.28 and 69,238.20 is: 104,067.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,656.06 : 157,301.28 = 69,238.20 : x
  2. Step 2: Convert to fraction form
    104,656.06/157,301.28 = 69,238.20/x
  3. Step 3: Cross multiply
    104,656.06x = 157,301.28 × 69,238.20
  4. Step 4: Simplify right side
    104,656.06x = 10,891,257,484.90
  5. Step 5: Solve for x
    x = 10,891,257,484.90/104,656.06
  6. Step 6: Final answer
    x = 104,067.15

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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.