Home / 119,901.84-165,464.56-66,186.86

Finding the Fourth Proportional to 119,901.84, 165,464.56 and 66,186.86

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Solution

The fourth proportional to 119,901.84, 165,464.56 and 66,186.86 is: 91,337.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,901.84 : 165,464.56 = 66,186.86 : x
  2. Step 2: Convert to fraction form
    119,901.84/165,464.56 = 66,186.86/x
  3. Step 3: Cross multiply
    119,901.84x = 165,464.56 × 66,186.86
  4. Step 4: Simplify right side
    119,901.84x = 10,951,579,667.68
  5. Step 5: Solve for x
    x = 10,951,579,667.68/119,901.84
  6. Step 6: Final answer
    x = 91,337.88

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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.