Home / 198,442.86-273,692.66-130,529.49

Finding the Fourth Proportional to 198,442.86, 273,692.66 and 130,529.49

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Solution

The fourth proportional to 198,442.86, 273,692.66 and 130,529.49 is: 180,026.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,442.86 : 273,692.66 = 130,529.49 : x
  2. Step 2: Convert to fraction form
    198,442.86/273,692.66 = 130,529.49/x
  3. Step 3: Cross multiply
    198,442.86x = 273,692.66 × 130,529.49
  4. Step 4: Simplify right side
    198,442.86x = 35,724,962,673.90
  5. Step 5: Solve for x
    x = 35,724,962,673.90/198,442.86
  6. Step 6: Final answer
    x = 180,026.45

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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.