Home / 198,557.06-274,010.55-107,913.25

Finding the Fourth Proportional to 198,557.06, 274,010.55 and 107,913.25

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Solution

The fourth proportional to 198,557.06, 274,010.55 and 107,913.25 is: 148,921.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,557.06 : 274,010.55 = 107,913.25 : x
  2. Step 2: Convert to fraction form
    198,557.06/274,010.55 = 107,913.25/x
  3. Step 3: Cross multiply
    198,557.06x = 274,010.55 × 107,913.25
  4. Step 4: Simplify right side
    198,557.06x = 29,569,368,445.22
  5. Step 5: Solve for x
    x = 29,569,368,445.22/198,557.06
  6. Step 6: Final answer
    x = 148,921.27

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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.