Home / 132,764.48-183,212.68-72,335.57

Finding the Fourth Proportional to 132,764.48, 183,212.68 and 72,335.57

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Solution

The fourth proportional to 132,764.48, 183,212.68 and 72,335.57 is: 99,821.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,764.48 : 183,212.68 = 72,335.57 : x
  2. Step 2: Convert to fraction form
    132,764.48/183,212.68 = 72,335.57/x
  3. Step 3: Cross multiply
    132,764.48x = 183,212.68 × 72,335.57
  4. Step 4: Simplify right side
    132,764.48x = 13,252,792,820.13
  5. Step 5: Solve for x
    x = 13,252,792,820.13/132,764.48
  6. Step 6: Final answer
    x = 99,821.82

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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.