Home / 119,816.55-165,346.85-66,101.69

Finding the Fourth Proportional to 119,816.55, 165,346.85 and 66,101.69

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Solution

The fourth proportional to 119,816.55, 165,346.85 and 66,101.69 is: 91,220.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,816.55 : 165,346.85 = 66,101.69 : x
  2. Step 2: Convert to fraction form
    119,816.55/165,346.85 = 66,101.69/x
  3. Step 3: Cross multiply
    119,816.55x = 165,346.85 × 66,101.69
  4. Step 4: Simplify right side
    119,816.55x = 10,929,706,799.80
  5. Step 5: Solve for x
    x = 10,929,706,799.80/119,816.55
  6. Step 6: Final answer
    x = 91,220.34

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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.