Home / 107,207.11-147,849-66,924.60

Finding the Fourth Proportional to 107,207.11, 147,849 and 66,924.60

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Solution

The fourth proportional to 107,207.11, 147,849 and 66,924.60 is: 92,295.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,207.11 : 147,849 = 66,924.60 : x
  2. Step 2: Convert to fraction form
    107,207.11/147,849 = 66,924.60/x
  3. Step 3: Cross multiply
    107,207.11x = 147,849 × 66,924.60
  4. Step 4: Simplify right side
    107,207.11x = 9,894,735,185.40
  5. Step 5: Solve for x
    x = 9,894,735,185.40/107,207.11
  6. Step 6: Final answer
    x = 92,295.51

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Half scale
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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.