Home / 132,921.50-183,431.68-73,305.50

Finding the Fourth Proportional to 132,921.50, 183,431.68 and 73,305.50

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Solution

The fourth proportional to 132,921.50, 183,431.68 and 73,305.50 is: 101,161.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,921.50 : 183,431.68 = 73,305.50 : x
  2. Step 2: Convert to fraction form
    132,921.50/183,431.68 = 73,305.50/x
  3. Step 3: Cross multiply
    132,921.50x = 183,431.68 × 73,305.50
  4. Step 4: Simplify right side
    132,921.50x = 13,446,551,018.24
  5. Step 5: Solve for x
    x = 13,446,551,018.24/132,921.50
  6. Step 6: Final answer
    x = 101,161.60

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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.