Home / 198,550.32-274,112.55-130,764.26

Finding the Fourth Proportional to 198,550.32, 274,112.55 and 130,764.26

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Solution

The fourth proportional to 198,550.32, 274,112.55 and 130,764.26 is: 180,529.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,550.32 : 274,112.55 = 130,764.26 : x
  2. Step 2: Convert to fraction form
    198,550.32/274,112.55 = 130,764.26/x
  3. Step 3: Cross multiply
    198,550.32x = 274,112.55 × 130,764.26
  4. Step 4: Simplify right side
    198,550.32x = 35,844,123,386.90
  5. Step 5: Solve for x
    x = 35,844,123,386.90/198,550.32
  6. Step 6: Final answer
    x = 180,529.16

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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.