Home / 198,722.48-274,275.96-113,896.40

Finding the Fourth Proportional to 198,722.48, 274,275.96 and 113,896.40

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Solution

The fourth proportional to 198,722.48, 274,275.96 and 113,896.40 is: 157,199.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,722.48 : 274,275.96 = 113,896.40 : x
  2. Step 2: Convert to fraction form
    198,722.48/274,275.96 = 113,896.40/x
  3. Step 3: Cross multiply
    198,722.48x = 274,275.96 × 113,896.40
  4. Step 4: Simplify right side
    198,722.48x = 31,239,044,450.54
  5. Step 5: Solve for x
    x = 31,239,044,450.54/198,722.48
  6. Step 6: Final answer
    x = 157,199.35

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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.