Home / 223,551.29-308,501.97-121,577.56

Finding the Fourth Proportional to 223,551.29, 308,501.97 and 121,577.56

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Solution

The fourth proportional to 223,551.29, 308,501.97 and 121,577.56 is: 167,777.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,551.29 : 308,501.97 = 121,577.56 : x
  2. Step 2: Convert to fraction form
    223,551.29/308,501.97 = 121,577.56/x
  3. Step 3: Cross multiply
    223,551.29x = 308,501.97 × 121,577.56
  4. Step 4: Simplify right side
    223,551.29x = 37,506,915,540.62
  5. Step 5: Solve for x
    x = 37,506,915,540.62/223,551.29
  6. Step 6: Final answer
    x = 167,777.67

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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.