Home / 199,543.97-275,359.64-113,491.32

Finding the Fourth Proportional to 199,543.97, 275,359.64 and 113,491.32

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Solution

The fourth proportional to 199,543.97, 275,359.64 and 113,491.32 is: 156,611.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,543.97 : 275,359.64 = 113,491.32 : x
  2. Step 2: Convert to fraction form
    199,543.97/275,359.64 = 113,491.32/x
  3. Step 3: Cross multiply
    199,543.97x = 275,359.64 × 113,491.32
  4. Step 4: Simplify right side
    199,543.97x = 31,250,928,450.87
  5. Step 5: Solve for x
    x = 31,250,928,450.87/199,543.97
  6. Step 6: Final answer
    x = 156,611.74

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1.5x scale

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.