Home / 198,858.66-274,105.67-134,307.15

Finding the Fourth Proportional to 198,858.66, 274,105.67 and 134,307.15

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Solution

The fourth proportional to 198,858.66, 274,105.67 and 134,307.15 is: 185,128.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,858.66 : 274,105.67 = 134,307.15 : x
  2. Step 2: Convert to fraction form
    198,858.66/274,105.67 = 134,307.15/x
  3. Step 3: Cross multiply
    198,858.66x = 274,105.67 × 134,307.15
  4. Step 4: Simplify right side
    198,858.66x = 36,814,350,665.00
  5. Step 5: Solve for x
    x = 36,814,350,665.00/198,858.66
  6. Step 6: Final answer
    x = 185,128.22

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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.