Home / 235,178.37-352,781.06-66,685.55

Finding the Fourth Proportional to 235,178.37, 352,781.06 and 66,685.55

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Solution

The fourth proportional to 235,178.37, 352,781.06 and 66,685.55 is: 100,032.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,178.37 : 352,781.06 = 66,685.55 : x
  2. Step 2: Convert to fraction form
    235,178.37/352,781.06 = 66,685.55/x
  3. Step 3: Cross multiply
    235,178.37x = 352,781.06 × 66,685.55
  4. Step 4: Simplify right side
    235,178.37x = 23,525,396,918.35
  5. Step 5: Solve for x
    x = 23,525,396,918.35/235,178.37
  6. Step 6: Final answer
    x = 100,032.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.