Home / 223,217.21-308,036.46-121,244.00

Finding the Fourth Proportional to 223,217.21, 308,036.46 and 121,244.00

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Solution

The fourth proportional to 223,217.21, 308,036.46 and 121,244.00 is: 167,314.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,217.21 : 308,036.46 = 121,244.00 : x
  2. Step 2: Convert to fraction form
    223,217.21/308,036.46 = 121,244.00/x
  3. Step 3: Cross multiply
    223,217.21x = 308,036.46 × 121,244.00
  4. Step 4: Simplify right side
    223,217.21x = 37,347,571,016.06
  5. Step 5: Solve for x
    x = 37,347,571,016.06/223,217.21
  6. Step 6: Final answer
    x = 167,314.93

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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.