Home / 119,817.14-165,346.57-66,102.61

Finding the Fourth Proportional to 119,817.14, 165,346.57 and 66,102.61

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Solution

The fourth proportional to 119,817.14, 165,346.57 and 66,102.61 is: 91,221.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,817.14 : 165,346.57 = 66,102.61 : x
  2. Step 2: Convert to fraction form
    119,817.14/165,346.57 = 66,102.61/x
  3. Step 3: Cross multiply
    119,817.14x = 165,346.57 × 66,102.61
  4. Step 4: Simplify right side
    119,817.14x = 10,929,839,831.55
  5. Step 5: Solve for x
    x = 10,929,839,831.55/119,817.14
  6. Step 6: Final answer
    x = 91,221.00

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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.