Home / 160,824.44-221,792.46-100,400.68

Finding the Fourth Proportional to 160,824.44, 221,792.46 and 100,400.68

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Solution

The fourth proportional to 160,824.44, 221,792.46 and 100,400.68 is: 138,462.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,824.44 : 221,792.46 = 100,400.68 : x
  2. Step 2: Convert to fraction form
    160,824.44/221,792.46 = 100,400.68/x
  3. Step 3: Cross multiply
    160,824.44x = 221,792.46 × 100,400.68
  4. Step 4: Simplify right side
    160,824.44x = 22,268,113,802.87
  5. Step 5: Solve for x
    x = 22,268,113,802.87/160,824.44
  6. Step 6: Final answer
    x = 138,462.25

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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.