Home / 160,490.88-221,474.66-88,869.36

Finding the Fourth Proportional to 160,490.88, 221,474.66 and 88,869.36

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Solution

The fourth proportional to 160,490.88, 221,474.66 and 88,869.36 is: 122,638.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,490.88 : 221,474.66 = 88,869.36 : x
  2. Step 2: Convert to fraction form
    160,490.88/221,474.66 = 88,869.36/x
  3. Step 3: Cross multiply
    160,490.88x = 221,474.66 × 88,869.36
  4. Step 4: Simplify right side
    160,490.88x = 19,682,311,290.42
  5. Step 5: Solve for x
    x = 19,682,311,290.42/160,490.88
  6. Step 6: Final answer
    x = 122,638.19

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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.