Home / 198,840.60-274,435.59-127,218.15

Finding the Fourth Proportional to 198,840.60, 274,435.59 and 127,218.15

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Solution

The fourth proportional to 198,840.60, 274,435.59 and 127,218.15 is: 175,583.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,840.60 : 274,435.59 = 127,218.15 : x
  2. Step 2: Convert to fraction form
    198,840.60/274,435.59 = 127,218.15/x
  3. Step 3: Cross multiply
    198,840.60x = 274,435.59 × 127,218.15
  4. Step 4: Simplify right side
    198,840.60x = 34,913,188,053.96
  5. Step 5: Solve for x
    x = 34,913,188,053.96/198,840.60
  6. Step 6: Final answer
    x = 175,583.80

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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.