Home / 129,214.80-193,692.60-59,144.40

Finding the Fourth Proportional to 129,214.80, 193,692.60 and 59,144.40

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Solution

The fourth proportional to 129,214.80, 193,692.60 and 59,144.40 is: 88,657.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,214.80 : 193,692.60 = 59,144.40 : x
  2. Step 2: Convert to fraction form
    129,214.80/193,692.60 = 59,144.40/x
  3. Step 3: Cross multiply
    129,214.80x = 193,692.60 × 59,144.40
  4. Step 4: Simplify right side
    129,214.80x = 11,455,832,611.44
  5. Step 5: Solve for x
    x = 11,455,832,611.44/129,214.80
  6. Step 6: Final answer
    x = 88,657.28

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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.