Home / 197,452.85-272,201.51-140,765.81

Finding the Fourth Proportional to 197,452.85, 272,201.51 and 140,765.81

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Solution

The fourth proportional to 197,452.85, 272,201.51 and 140,765.81 is: 194,054.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,452.85 : 272,201.51 = 140,765.81 : x
  2. Step 2: Convert to fraction form
    197,452.85/272,201.51 = 140,765.81/x
  3. Step 3: Cross multiply
    197,452.85x = 272,201.51 × 140,765.81
  4. Step 4: Simplify right side
    197,452.85x = 38,316,665,029.28
  5. Step 5: Solve for x
    x = 38,316,665,029.28/197,452.85
  6. Step 6: Final answer
    x = 194,054.76

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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.