Home / 223,555.29-308,347.66-137,401.14

Finding the Fourth Proportional to 223,555.29, 308,347.66 and 137,401.14

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Solution

The fourth proportional to 223,555.29, 308,347.66 and 137,401.14 is: 189,516.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,555.29 : 308,347.66 = 137,401.14 : x
  2. Step 2: Convert to fraction form
    223,555.29/308,347.66 = 137,401.14/x
  3. Step 3: Cross multiply
    223,555.29x = 308,347.66 × 137,401.14
  4. Step 4: Simplify right side
    223,555.29x = 42,367,320,000.33
  5. Step 5: Solve for x
    x = 42,367,320,000.33/223,555.29
  6. Step 6: Final answer
    x = 189,516.07

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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.