Home / 198,314.93-273,673.49-107,670.13

Finding the Fourth Proportional to 198,314.93, 273,673.49 and 107,670.13

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Solution

The fourth proportional to 198,314.93, 273,673.49 and 107,670.13 is: 148,584.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,314.93 : 273,673.49 = 107,670.13 : x
  2. Step 2: Convert to fraction form
    198,314.93/273,673.49 = 107,670.13/x
  3. Step 3: Cross multiply
    198,314.93x = 273,673.49 × 107,670.13
  4. Step 4: Simplify right side
    198,314.93x = 29,466,459,023.32
  5. Step 5: Solve for x
    x = 29,466,459,023.32/198,314.93
  6. Step 6: Final answer
    x = 148,584.17

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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.