Home / 160,792.53-221,879.14-89,172.33

Finding the Fourth Proportional to 160,792.53, 221,879.14 and 89,172.33

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Solution

The fourth proportional to 160,792.53, 221,879.14 and 89,172.33 is: 123,049.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,792.53 : 221,879.14 = 89,172.33 : x
  2. Step 2: Convert to fraction form
    160,792.53/221,879.14 = 89,172.33/x
  3. Step 3: Cross multiply
    160,792.53x = 221,879.14 × 89,172.33
  4. Step 4: Simplify right side
    160,792.53x = 19,785,479,892.20
  5. Step 5: Solve for x
    x = 19,785,479,892.20/160,792.53
  6. Step 6: Final answer
    x = 123,049.75

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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.