Home / 197,193.53-272,182.82-116,649.07

Finding the Fourth Proportional to 197,193.53, 272,182.82 and 116,649.07

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Solution

The fourth proportional to 197,193.53, 272,182.82 and 116,649.07 is: 161,008.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,193.53 : 272,182.82 = 116,649.07 : x
  2. Step 2: Convert to fraction form
    197,193.53/272,182.82 = 116,649.07/x
  3. Step 3: Cross multiply
    197,193.53x = 272,182.82 × 116,649.07
  4. Step 4: Simplify right side
    197,193.53x = 31,749,871,559.28
  5. Step 5: Solve for x
    x = 31,749,871,559.28/197,193.53
  6. Step 6: Final answer
    x = 161,008.69

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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.