Home / 198,605.27-274,008.57-112,557.50

Finding the Fourth Proportional to 198,605.27, 274,008.57 and 112,557.50

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Solution

The fourth proportional to 198,605.27, 274,008.57 and 112,557.50 is: 155,291.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,605.27 : 274,008.57 = 112,557.50 : x
  2. Step 2: Convert to fraction form
    198,605.27/274,008.57 = 112,557.50/x
  3. Step 3: Cross multiply
    198,605.27x = 274,008.57 × 112,557.50
  4. Step 4: Simplify right side
    198,605.27x = 30,841,719,474.63
  5. Step 5: Solve for x
    x = 30,841,719,474.63/198,605.27
  6. Step 6: Final answer
    x = 155,291.54

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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.