Home / 156,832.45-235,116.43-68,019.06

Finding the Fourth Proportional to 156,832.45, 235,116.43 and 68,019.06

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Solution

The fourth proportional to 156,832.45, 235,116.43 and 68,019.06 is: 101,971.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,832.45 : 235,116.43 = 68,019.06 : x
  2. Step 2: Convert to fraction form
    156,832.45/235,116.43 = 68,019.06/x
  3. Step 3: Cross multiply
    156,832.45x = 235,116.43 × 68,019.06
  4. Step 4: Simplify right side
    156,832.45x = 15,992,398,976.90
  5. Step 5: Solve for x
    x = 15,992,398,976.90/156,832.45
  6. Step 6: Final answer
    x = 101,971.24

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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.