Home / 132,921.98-199,302.64-52,972.25

Finding the Fourth Proportional to 132,921.98, 199,302.64 and 52,972.25

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Solution

The fourth proportional to 132,921.98, 199,302.64 and 52,972.25 is: 79,426.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,921.98 : 199,302.64 = 52,972.25 : x
  2. Step 2: Convert to fraction form
    132,921.98/199,302.64 = 52,972.25/x
  3. Step 3: Cross multiply
    132,921.98x = 199,302.64 × 52,972.25
  4. Step 4: Simplify right side
    132,921.98x = 10,557,508,440.77
  5. Step 5: Solve for x
    x = 10,557,508,440.77/132,921.98
  6. Step 6: Final answer
    x = 79,426.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.