Home / 199,381.34-275,162.63-113,367.31

Finding the Fourth Proportional to 199,381.34, 275,162.63 and 113,367.31

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Solution

The fourth proportional to 199,381.34, 275,162.63 and 113,367.31 is: 156,456.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,381.34 : 275,162.63 = 113,367.31 : x
  2. Step 2: Convert to fraction form
    199,381.34/275,162.63 = 113,367.31/x
  3. Step 3: Cross multiply
    199,381.34x = 275,162.63 × 113,367.31
  4. Step 4: Simplify right side
    199,381.34x = 31,194,448,106.36
  5. Step 5: Solve for x
    x = 31,194,448,106.36/199,381.34
  6. Step 6: Final answer
    x = 156,456.21

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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.