Home / 119,780.44-165,304.56-68,809.12

Finding the Fourth Proportional to 119,780.44, 165,304.56 and 68,809.12

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Solution

The fourth proportional to 119,780.44, 165,304.56 and 68,809.12 is: 94,960.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,780.44 : 165,304.56 = 68,809.12 : x
  2. Step 2: Convert to fraction form
    119,780.44/165,304.56 = 68,809.12/x
  3. Step 3: Cross multiply
    119,780.44x = 165,304.56 × 68,809.12
  4. Step 4: Simplify right side
    119,780.44x = 11,374,461,305.59
  5. Step 5: Solve for x
    x = 11,374,461,305.59/119,780.44
  6. Step 6: Final answer
    x = 94,960.92

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1.5x scale

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.