Home / 132,564.75-182,909.05-75,190.36

Finding the Fourth Proportional to 132,564.75, 182,909.05 and 75,190.36

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Solution

The fourth proportional to 132,564.75, 182,909.05 and 75,190.36 is: 103,745.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,564.75 : 182,909.05 = 75,190.36 : x
  2. Step 2: Convert to fraction form
    132,564.75/182,909.05 = 75,190.36/x
  3. Step 3: Cross multiply
    132,564.75x = 182,909.05 × 75,190.36
  4. Step 4: Simplify right side
    132,564.75x = 13,752,996,671.51
  5. Step 5: Solve for x
    x = 13,752,996,671.51/132,564.75
  6. Step 6: Final answer
    x = 103,745.50

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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.