Home / 132,791.42-183,246.39-75,430.58

Finding the Fourth Proportional to 132,791.42, 183,246.39 and 75,430.58

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Solution

The fourth proportional to 132,791.42, 183,246.39 and 75,430.58 is: 104,090.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,791.42 : 183,246.39 = 75,430.58 : x
  2. Step 2: Convert to fraction form
    132,791.42/183,246.39 = 75,430.58/x
  3. Step 3: Cross multiply
    132,791.42x = 183,246.39 × 75,430.58
  4. Step 4: Simplify right side
    132,791.42x = 13,822,380,564.37
  5. Step 5: Solve for x
    x = 13,822,380,564.37/132,791.42
  6. Step 6: Final answer
    x = 104,090.91

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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.