Home / 148,024.05-204,274.34-81,722.52

Finding the Fourth Proportional to 148,024.05, 204,274.34 and 81,722.52

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Solution

The fourth proportional to 148,024.05, 204,274.34 and 81,722.52 is: 112,777.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,024.05 : 204,274.34 = 81,722.52 : x
  2. Step 2: Convert to fraction form
    148,024.05/204,274.34 = 81,722.52/x
  3. Step 3: Cross multiply
    148,024.05x = 204,274.34 × 81,722.52
  4. Step 4: Simplify right side
    148,024.05x = 16,693,813,733.98
  5. Step 5: Solve for x
    x = 16,693,813,733.98/148,024.05
  6. Step 6: Final answer
    x = 112,777.72

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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.