Home / 119,733.77-165,256.55-68,781.45

Finding the Fourth Proportional to 119,733.77, 165,256.55 and 68,781.45

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Solution

The fourth proportional to 119,733.77, 165,256.55 and 68,781.45 is: 94,932.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,733.77 : 165,256.55 = 68,781.45 : x
  2. Step 2: Convert to fraction form
    119,733.77/165,256.55 = 68,781.45/x
  3. Step 3: Cross multiply
    119,733.77x = 165,256.55 × 68,781.45
  4. Step 4: Simplify right side
    119,733.77x = 11,366,584,787.09
  5. Step 5: Solve for x
    x = 11,366,584,787.09/119,733.77
  6. Step 6: Final answer
    x = 94,932.16

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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.