Home / 119,961.45-165,546.05-66,246.03

Finding the Fourth Proportional to 119,961.45, 165,546.05 and 66,246.03

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Solution

The fourth proportional to 119,961.45, 165,546.05 and 66,246.03 is: 91,419.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,961.45 : 165,546.05 = 66,246.03 : x
  2. Step 2: Convert to fraction form
    119,961.45/165,546.05 = 66,246.03/x
  3. Step 3: Cross multiply
    119,961.45x = 165,546.05 × 66,246.03
  4. Step 4: Simplify right side
    119,961.45x = 10,966,768,263.45
  5. Step 5: Solve for x
    x = 10,966,768,263.45/119,961.45
  6. Step 6: Final answer
    x = 91,419.10

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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.