Home / 160,288.88-221,179.51-88,659.16

Finding the Fourth Proportional to 160,288.88, 221,179.51 and 88,659.16

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Solution

The fourth proportional to 160,288.88, 221,179.51 and 88,659.16 is: 122,339.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,288.88 : 221,179.51 = 88,659.16 : x
  2. Step 2: Convert to fraction form
    160,288.88/221,179.51 = 88,659.16/x
  3. Step 3: Cross multiply
    160,288.88x = 221,179.51 × 88,659.16
  4. Step 4: Simplify right side
    160,288.88x = 19,609,589,123.69
  5. Step 5: Solve for x
    x = 19,609,589,123.69/160,288.88
  6. Step 6: Final answer
    x = 122,339.05

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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.