Home / 119,901.68-165,464.35-66,186.74

Finding the Fourth Proportional to 119,901.68, 165,464.35 and 66,186.74

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Solution

The fourth proportional to 119,901.68, 165,464.35 and 66,186.74 is: 91,337.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,901.68 : 165,464.35 = 66,186.74 : x
  2. Step 2: Convert to fraction form
    119,901.68/165,464.35 = 66,186.74/x
  3. Step 3: Cross multiply
    119,901.68x = 165,464.35 × 66,186.74
  4. Step 4: Simplify right side
    119,901.68x = 10,951,545,085.40
  5. Step 5: Solve for x
    x = 10,951,545,085.40/119,901.68
  6. Step 6: Final answer
    x = 91,337.71

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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.