Home / 132,457.05-182,791.89-72,027.54

Finding the Fourth Proportional to 132,457.05, 182,791.89 and 72,027.54

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Solution

The fourth proportional to 132,457.05, 182,791.89 and 72,027.54 is: 99,398.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,457.05 : 182,791.89 = 72,027.54 : x
  2. Step 2: Convert to fraction form
    132,457.05/182,791.89 = 72,027.54/x
  3. Step 3: Cross multiply
    132,457.05x = 182,791.89 × 72,027.54
  4. Step 4: Simplify right side
    132,457.05x = 13,166,050,168.65
  5. Step 5: Solve for x
    x = 13,166,050,168.65/132,457.05
  6. Step 6: Final answer
    x = 99,398.64

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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.