Home / 198,187.02-273,480-117,600.66

Finding the Fourth Proportional to 198,187.02, 273,480 and 117,600.66

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Solution

The fourth proportional to 198,187.02, 273,480 and 117,600.66 is: 162,278.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,187.02 : 273,480 = 117,600.66 : x
  2. Step 2: Convert to fraction form
    198,187.02/273,480 = 117,600.66/x
  3. Step 3: Cross multiply
    198,187.02x = 273,480 × 117,600.66
  4. Step 4: Simplify right side
    198,187.02x = 32,161,428,496.80
  5. Step 5: Solve for x
    x = 32,161,428,496.80/198,187.02
  6. Step 6: Final answer
    x = 162,278.18

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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.