Home / 149,216.73-205,922.43-84,690.24

Finding the Fourth Proportional to 149,216.73, 205,922.43 and 84,690.24

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Solution

The fourth proportional to 149,216.73, 205,922.43 and 84,690.24 is: 116,874.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,216.73 : 205,922.43 = 84,690.24 : x
  2. Step 2: Convert to fraction form
    149,216.73/205,922.43 = 84,690.24/x
  3. Step 3: Cross multiply
    149,216.73x = 205,922.43 × 84,690.24
  4. Step 4: Simplify right side
    149,216.73x = 17,439,620,018.08
  5. Step 5: Solve for x
    x = 17,439,620,018.08/149,216.73
  6. Step 6: Final answer
    x = 116,874.43

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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.