Home / 119,733.12-165,246.66-68,761.80

Finding the Fourth Proportional to 119,733.12, 165,246.66 and 68,761.80

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Solution

The fourth proportional to 119,733.12, 165,246.66 and 68,761.80 is: 94,899.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,733.12 : 165,246.66 = 68,761.80 : x
  2. Step 2: Convert to fraction form
    119,733.12/165,246.66 = 68,761.80/x
  3. Step 3: Cross multiply
    119,733.12x = 165,246.66 × 68,761.80
  4. Step 4: Simplify right side
    119,733.12x = 11,362,657,785.59
  5. Step 5: Solve for x
    x = 11,362,657,785.59/119,733.12
  6. Step 6: Final answer
    x = 94,899.87

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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.