Home / 198,677.40-274,276.39-153,253.41

Finding the Fourth Proportional to 198,677.40, 274,276.39 and 153,253.41

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Solution

The fourth proportional to 198,677.40, 274,276.39 and 153,253.41 is: 211,568.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,677.40 : 274,276.39 = 153,253.41 : x
  2. Step 2: Convert to fraction form
    198,677.40/274,276.39 = 153,253.41/x
  3. Step 3: Cross multiply
    198,677.40x = 274,276.39 × 153,253.41
  4. Step 4: Simplify right side
    198,677.40x = 42,033,792,049.99
  5. Step 5: Solve for x
    x = 42,033,792,049.99/198,677.40
  6. Step 6: Final answer
    x = 211,568.06

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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.