Home / 129,867.90-194,801.85-41,128.35

Finding the Fourth Proportional to 129,867.90, 194,801.85 and 41,128.35

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Solution

The fourth proportional to 129,867.90, 194,801.85 and 41,128.35 is: 61,692.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,867.90 : 194,801.85 = 41,128.35 : x
  2. Step 2: Convert to fraction form
    129,867.90/194,801.85 = 41,128.35/x
  3. Step 3: Cross multiply
    129,867.90x = 194,801.85 × 41,128.35
  4. Step 4: Simplify right side
    129,867.90x = 8,011,878,667.45
  5. Step 5: Solve for x
    x = 8,011,878,667.45/129,867.90
  6. Step 6: Final answer
    x = 61,692.53

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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.