Home / 148,856.24-205,420.50-80,873.77

Finding the Fourth Proportional to 148,856.24, 205,420.50 and 80,873.77

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Solution

The fourth proportional to 148,856.24, 205,420.50 and 80,873.77 is: 111,605.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,856.24 : 205,420.50 = 80,873.77 : x
  2. Step 2: Convert to fraction form
    148,856.24/205,420.50 = 80,873.77/x
  3. Step 3: Cross multiply
    148,856.24x = 205,420.50 × 80,873.77
  4. Step 4: Simplify right side
    148,856.24x = 16,613,129,756.73
  5. Step 5: Solve for x
    x = 16,613,129,756.73/148,856.24
  6. Step 6: Final answer
    x = 111,605.20

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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.