Home / 149,006.44-205,625.76-81,024.76

Finding the Fourth Proportional to 149,006.44, 205,625.76 and 81,024.76

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Solution

The fourth proportional to 149,006.44, 205,625.76 and 81,024.76 is: 111,812.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,006.44 : 205,625.76 = 81,024.76 : x
  2. Step 2: Convert to fraction form
    149,006.44/205,625.76 = 81,024.76/x
  3. Step 3: Cross multiply
    149,006.44x = 205,625.76 × 81,024.76
  4. Step 4: Simplify right side
    149,006.44x = 16,660,777,853.82
  5. Step 5: Solve for x
    x = 16,660,777,853.82/149,006.44
  6. Step 6: Final answer
    x = 111,812.47

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1.5x scale

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.