Home / 132,722.57-183,157.40-72,293.03

Finding the Fourth Proportional to 132,722.57, 183,157.40 and 72,293.03

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Solution

The fourth proportional to 132,722.57, 183,157.40 and 72,293.03 is: 99,764.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,722.57 : 183,157.40 = 72,293.03 : x
  2. Step 2: Convert to fraction form
    132,722.57/183,157.40 = 72,293.03/x
  3. Step 3: Cross multiply
    132,722.57x = 183,157.40 × 72,293.03
  4. Step 4: Simplify right side
    132,722.57x = 13,241,002,135.67
  5. Step 5: Solve for x
    x = 13,241,002,135.67/132,722.57
  6. Step 6: Final answer
    x = 99,764.51

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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.