Home / 159,981.24-220,648.14-149,250.36

Finding the Fourth Proportional to 159,981.24, 220,648.14 and 149,250.36

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Solution

The fourth proportional to 159,981.24, 220,648.14 and 149,250.36 is: 205,847.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,981.24 : 220,648.14 = 149,250.36 : x
  2. Step 2: Convert to fraction form
    159,981.24/220,648.14 = 149,250.36/x
  3. Step 3: Cross multiply
    159,981.24x = 220,648.14 × 149,250.36
  4. Step 4: Simplify right side
    159,981.24x = 32,931,814,328.33
  5. Step 5: Solve for x
    x = 32,931,814,328.33/159,981.24
  6. Step 6: Final answer
    x = 205,847.98

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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.