Home / 223,792.05-308,839.99-121,824.30

Finding the Fourth Proportional to 223,792.05, 308,839.99 and 121,824.30

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Solution

The fourth proportional to 223,792.05, 308,839.99 and 121,824.30 is: 168,121.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,792.05 : 308,839.99 = 121,824.30 : x
  2. Step 2: Convert to fraction form
    223,792.05/308,839.99 = 121,824.30/x
  3. Step 3: Cross multiply
    223,792.05x = 308,839.99 × 121,824.30
  4. Step 4: Simplify right side
    223,792.05x = 37,624,215,593.76
  5. Step 5: Solve for x
    x = 37,624,215,593.76/223,792.05
  6. Step 6: Final answer
    x = 168,121.32

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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.