Home / 132,918.42-183,427.74-75,558.12

Finding the Fourth Proportional to 132,918.42, 183,427.74 and 75,558.12

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Solution

The fourth proportional to 132,918.42, 183,427.74 and 75,558.12 is: 104,270.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,918.42 : 183,427.74 = 75,558.12 : x
  2. Step 2: Convert to fraction form
    132,918.42/183,427.74 = 75,558.12/x
  3. Step 3: Cross multiply
    132,918.42x = 183,427.74 × 75,558.12
  4. Step 4: Simplify right side
    132,918.42x = 13,859,455,190.25
  5. Step 5: Solve for x
    x = 13,859,455,190.25/132,918.42
  6. Step 6: Final answer
    x = 104,270.39

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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.