Home / 132,997.72-183,536.46-72,567.94

Finding the Fourth Proportional to 132,997.72, 183,536.46 and 72,567.94

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Solution

The fourth proportional to 132,997.72, 183,536.46 and 72,567.94 is: 100,143.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,997.72 : 183,536.46 = 72,567.94 : x
  2. Step 2: Convert to fraction form
    132,997.72/183,536.46 = 72,567.94/x
  3. Step 3: Cross multiply
    132,997.72x = 183,536.46 × 72,567.94
  4. Step 4: Simplify right side
    132,997.72x = 13,318,862,358.25
  5. Step 5: Solve for x
    x = 13,318,862,358.25/132,997.72
  6. Step 6: Final answer
    x = 100,143.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.