Home / 199,620.32-275,531.64-114,764.72

Finding the Fourth Proportional to 199,620.32, 275,531.64 and 114,764.72

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Solution

The fourth proportional to 199,620.32, 275,531.64 and 114,764.72 is: 158,407.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,620.32 : 275,531.64 = 114,764.72 : x
  2. Step 2: Convert to fraction form
    199,620.32/275,531.64 = 114,764.72/x
  3. Step 3: Cross multiply
    199,620.32x = 275,531.64 × 114,764.72
  4. Step 4: Simplify right side
    199,620.32x = 31,621,311,515.74
  5. Step 5: Solve for x
    x = 31,621,311,515.74/199,620.32
  6. Step 6: Final answer
    x = 158,407.28

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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.