Home / 160,778.03-221,859.14-89,157.83

Finding the Fourth Proportional to 160,778.03, 221,859.14 and 89,157.83

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Solution

The fourth proportional to 160,778.03, 221,859.14 and 89,157.83 is: 123,029.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,778.03 : 221,859.14 = 89,157.83 : x
  2. Step 2: Convert to fraction form
    160,778.03/221,859.14 = 89,157.83/x
  3. Step 3: Cross multiply
    160,778.03x = 221,859.14 × 89,157.83
  4. Step 4: Simplify right side
    160,778.03x = 19,780,477,932.98
  5. Step 5: Solve for x
    x = 19,780,477,932.98/160,778.03
  6. Step 6: Final answer
    x = 123,029.74

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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.