Home / 119,816.75-165,347.12-66,824.75

Finding the Fourth Proportional to 119,816.75, 165,347.12 and 66,824.75

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Solution

The fourth proportional to 119,816.75, 165,347.12 and 66,824.75 is: 92,218.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,816.75 : 165,347.12 = 66,824.75 : x
  2. Step 2: Convert to fraction form
    119,816.75/165,347.12 = 66,824.75/x
  3. Step 3: Cross multiply
    119,816.75x = 165,347.12 × 66,824.75
  4. Step 4: Simplify right side
    119,816.75x = 11,049,279,957.22
  5. Step 5: Solve for x
    x = 11,049,279,957.22/119,816.75
  6. Step 6: Final answer
    x = 92,218.16

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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.