Home / 136,713.24-188,649.96-75,458.31

Finding the Fourth Proportional to 136,713.24, 188,649.96 and 75,458.31

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Solution

The fourth proportional to 136,713.24, 188,649.96 and 75,458.31 is: 104,124.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,713.24 : 188,649.96 = 75,458.31 : x
  2. Step 2: Convert to fraction form
    136,713.24/188,649.96 = 75,458.31/x
  3. Step 3: Cross multiply
    136,713.24x = 188,649.96 × 75,458.31
  4. Step 4: Simplify right side
    136,713.24x = 14,235,207,163.17
  5. Step 5: Solve for x
    x = 14,235,207,163.17/136,713.24
  6. Step 6: Final answer
    x = 104,124.57

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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.