Home / 197,191.60-272,255.78-116,645.00

Finding the Fourth Proportional to 197,191.60, 272,255.78 and 116,645.00

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Solution

The fourth proportional to 197,191.60, 272,255.78 and 116,645.00 is: 161,047.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,191.60 : 272,255.78 = 116,645.00 : x
  2. Step 2: Convert to fraction form
    197,191.60/272,255.78 = 116,645.00/x
  3. Step 3: Cross multiply
    197,191.60x = 272,255.78 × 116,645.00
  4. Step 4: Simplify right side
    197,191.60x = 31,757,274,388.43
  5. Step 5: Solve for x
    x = 31,757,274,388.43/197,191.60
  6. Step 6: Final answer
    x = 161,047.81

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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.