Home / 223,550.19-308,501.33-121,576.64

Finding the Fourth Proportional to 223,550.19, 308,501.33 and 121,576.64

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Solution

The fourth proportional to 223,550.19, 308,501.33 and 121,576.64 is: 167,776.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,550.19 : 308,501.33 = 121,576.64 : x
  2. Step 2: Convert to fraction form
    223,550.19/308,501.33 = 121,576.64/x
  3. Step 3: Cross multiply
    223,550.19x = 308,501.33 × 121,576.64
  4. Step 4: Simplify right side
    223,550.19x = 37,506,552,986.54
  5. Step 5: Solve for x
    x = 37,506,552,986.54/223,550.19
  6. Step 6: Final answer
    x = 167,776.88

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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.