Home / 223,546.13-308,495.14-121,572.73

Finding the Fourth Proportional to 223,546.13, 308,495.14 and 121,572.73

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Solution

The fourth proportional to 223,546.13, 308,495.14 and 121,572.73 is: 167,771.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,546.13 : 308,495.14 = 121,572.73 : x
  2. Step 2: Convert to fraction form
    223,546.13/308,495.14 = 121,572.73/x
  3. Step 3: Cross multiply
    223,546.13x = 308,495.14 × 121,572.73
  4. Step 4: Simplify right side
    223,546.13x = 37,504,596,361.53
  5. Step 5: Solve for x
    x = 37,504,596,361.53/223,546.13
  6. Step 6: Final answer
    x = 167,771.17

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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.