Home / 160,222.12-221,110.26-88,603.54

Finding the Fourth Proportional to 160,222.12, 221,110.26 and 88,603.54

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Solution

The fourth proportional to 160,222.12, 221,110.26 and 88,603.54 is: 122,274.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,222.12 : 221,110.26 = 88,603.54 : x
  2. Step 2: Convert to fraction form
    160,222.12/221,110.26 = 88,603.54/x
  3. Step 3: Cross multiply
    160,222.12x = 221,110.26 × 88,603.54
  4. Step 4: Simplify right side
    160,222.12x = 19,591,151,766.32
  5. Step 5: Solve for x
    x = 19,591,151,766.32/160,222.12
  6. Step 6: Final answer
    x = 122,274.95

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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.