Home / 160,600.45-221,736.88-143,550.06

Finding the Fourth Proportional to 160,600.45, 221,736.88 and 143,550.06

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Solution

The fourth proportional to 160,600.45, 221,736.88 and 143,550.06 is: 198,195.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,600.45 : 221,736.88 = 143,550.06 : x
  2. Step 2: Convert to fraction form
    160,600.45/221,736.88 = 143,550.06/x
  3. Step 3: Cross multiply
    160,600.45x = 221,736.88 × 143,550.06
  4. Step 4: Simplify right side
    160,600.45x = 31,830,342,428.21
  5. Step 5: Solve for x
    x = 31,830,342,428.21/160,600.45
  6. Step 6: Final answer
    x = 198,195.85

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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.