Home / 102,260.88-141,163.56-68,746.32

Finding the Fourth Proportional to 102,260.88, 141,163.56 and 68,746.32

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Solution

The fourth proportional to 102,260.88, 141,163.56 and 68,746.32 is: 94,899.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,260.88 : 141,163.56 = 68,746.32 : x
  2. Step 2: Convert to fraction form
    102,260.88/141,163.56 = 68,746.32/x
  3. Step 3: Cross multiply
    102,260.88x = 141,163.56 × 68,746.32
  4. Step 4: Simplify right side
    102,260.88x = 9,704,475,268.10
  5. Step 5: Solve for x
    x = 9,704,475,268.10/102,260.88
  6. Step 6: Final answer
    x = 94,899.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.