Home / 148,579.04-205,037.34-80,594.76

Finding the Fourth Proportional to 148,579.04, 205,037.34 and 80,594.76

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Solution

The fourth proportional to 148,579.04, 205,037.34 and 80,594.76 is: 111,219.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,579.04 : 205,037.34 = 80,594.76 : x
  2. Step 2: Convert to fraction form
    148,579.04/205,037.34 = 80,594.76/x
  3. Step 3: Cross multiply
    148,579.04x = 205,037.34 × 80,594.76
  4. Step 4: Simplify right side
    148,579.04x = 16,524,935,208.34
  5. Step 5: Solve for x
    x = 16,524,935,208.34/148,579.04
  6. Step 6: Final answer
    x = 111,219.83

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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.