Home / 199,922.59-299,899.37-66,803.32

Finding the Fourth Proportional to 199,922.59, 299,899.37 and 66,803.32

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Solution

The fourth proportional to 199,922.59, 299,899.37 and 66,803.32 is: 100,210.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,922.59 : 299,899.37 = 66,803.32 : x
  2. Step 2: Convert to fraction form
    199,922.59/299,899.37 = 66,803.32/x
  3. Step 3: Cross multiply
    199,922.59x = 299,899.37 × 66,803.32
  4. Step 4: Simplify right side
    199,922.59x = 20,034,273,581.91
  5. Step 5: Solve for x
    x = 20,034,273,581.91/199,922.59
  6. Step 6: Final answer
    x = 100,210.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.