Home / 129,365.57-193,817.50-70,163.48

Finding the Fourth Proportional to 129,365.57, 193,817.50 and 70,163.48

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Solution

The fourth proportional to 129,365.57, 193,817.50 and 70,163.48 is: 105,120.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,365.57 : 193,817.50 = 70,163.48 : x
  2. Step 2: Convert to fraction form
    129,365.57/193,817.50 = 70,163.48/x
  3. Step 3: Cross multiply
    129,365.57x = 193,817.50 × 70,163.48
  4. Step 4: Simplify right side
    129,365.57x = 13,598,910,284.90
  5. Step 5: Solve for x
    x = 13,598,910,284.90/129,365.57
  6. Step 6: Final answer
    x = 105,120.01

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1.5x scale

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.