Home / 198,773.15-274,408.56-153,349.16

Finding the Fourth Proportional to 198,773.15, 274,408.56 and 153,349.16

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Solution

The fourth proportional to 198,773.15, 274,408.56 and 153,349.16 is: 211,700.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,773.15 : 274,408.56 = 153,349.16 : x
  2. Step 2: Convert to fraction form
    198,773.15/274,408.56 = 153,349.16/x
  3. Step 3: Cross multiply
    198,773.15x = 274,408.56 × 153,349.16
  4. Step 4: Simplify right side
    198,773.15x = 42,080,320,800.77
  5. Step 5: Solve for x
    x = 42,080,320,800.77/198,773.15
  6. Step 6: Final answer
    x = 211,700.23

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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.