Home / 129,186.52-193,783.42-35,692.28

Finding the Fourth Proportional to 129,186.52, 193,783.42 and 35,692.28

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Solution

The fourth proportional to 129,186.52, 193,783.42 and 35,692.28 is: 53,539.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,186.52 : 193,783.42 = 35,692.28 : x
  2. Step 2: Convert to fraction form
    129,186.52/193,783.42 = 35,692.28/x
  3. Step 3: Cross multiply
    129,186.52x = 193,783.42 × 35,692.28
  4. Step 4: Simplify right side
    129,186.52x = 6,916,572,086.00
  5. Step 5: Solve for x
    x = 6,916,572,086.00/129,186.52
  6. Step 6: Final answer
    x = 53,539.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.