Home / 132,650.45-183,056.49-72,220.94

Finding the Fourth Proportional to 132,650.45, 183,056.49 and 72,220.94

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Solution

The fourth proportional to 132,650.45, 183,056.49 and 72,220.94 is: 99,664.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,650.45 : 183,056.49 = 72,220.94 : x
  2. Step 2: Convert to fraction form
    132,650.45/183,056.49 = 72,220.94/x
  3. Step 3: Cross multiply
    132,650.45x = 183,056.49 × 72,220.94
  4. Step 4: Simplify right side
    132,650.45x = 13,220,510,865.62
  5. Step 5: Solve for x
    x = 13,220,510,865.62/132,650.45
  6. Step 6: Final answer
    x = 99,664.28

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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.