Home / 198,533.33-274,039.85-127,105.73

Finding the Fourth Proportional to 198,533.33, 274,039.85 and 127,105.73

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Solution

The fourth proportional to 198,533.33, 274,039.85 and 127,105.73 is: 175,446.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,533.33 : 274,039.85 = 127,105.73 : x
  2. Step 2: Convert to fraction form
    198,533.33/274,039.85 = 127,105.73/x
  3. Step 3: Cross multiply
    198,533.33x = 274,039.85 × 127,105.73
  4. Step 4: Simplify right side
    198,533.33x = 34,832,034,547.81
  5. Step 5: Solve for x
    x = 34,832,034,547.81/198,533.33
  6. Step 6: Final answer
    x = 175,446.79

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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.