Home / 129,134.94-193,760.81-65,922.44

Finding the Fourth Proportional to 129,134.94, 193,760.81 and 65,922.44

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Solution

The fourth proportional to 129,134.94, 193,760.81 and 65,922.44 is: 98,913.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,134.94 : 193,760.81 = 65,922.44 : x
  2. Step 2: Convert to fraction form
    129,134.94/193,760.81 = 65,922.44/x
  3. Step 3: Cross multiply
    129,134.94x = 193,760.81 × 65,922.44
  4. Step 4: Simplify right side
    129,134.94x = 12,773,184,073.16
  5. Step 5: Solve for x
    x = 12,773,184,073.16/129,134.94
  6. Step 6: Final answer
    x = 98,913.46

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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.