Home / 106,829.64-160,131.47-40,240.96

Finding the Fourth Proportional to 106,829.64, 160,131.47 and 40,240.96

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Solution

The fourth proportional to 106,829.64, 160,131.47 and 40,240.96 is: 60,318.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,829.64 : 160,131.47 = 40,240.96 : x
  2. Step 2: Convert to fraction form
    106,829.64/160,131.47 = 40,240.96/x
  3. Step 3: Cross multiply
    106,829.64x = 160,131.47 × 40,240.96
  4. Step 4: Simplify right side
    106,829.64x = 6,443,843,477.48
  5. Step 5: Solve for x
    x = 6,443,843,477.48/106,829.64
  6. Step 6: Final answer
    x = 60,318.87

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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.