Home / 199,541.10-299,051.73-81,073.94

Finding the Fourth Proportional to 199,541.10, 299,051.73 and 81,073.94

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Solution

The fourth proportional to 199,541.10, 299,051.73 and 81,073.94 is: 121,505.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,541.10 : 299,051.73 = 81,073.94 : x
  2. Step 2: Convert to fraction form
    199,541.10/299,051.73 = 81,073.94/x
  3. Step 3: Cross multiply
    199,541.10x = 299,051.73 × 81,073.94
  4. Step 4: Simplify right side
    199,541.10x = 24,245,302,014.92
  5. Step 5: Solve for x
    x = 24,245,302,014.92/199,541.10
  6. Step 6: Final answer
    x = 121,505.30

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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.