Home / 138,849.10-208,266.73-48,896.25

Finding the Fourth Proportional to 138,849.10, 208,266.73 and 48,896.25

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Solution

The fourth proportional to 138,849.10, 208,266.73 and 48,896.25 is: 73,341.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,849.10 : 208,266.73 = 48,896.25 : x
  2. Step 2: Convert to fraction form
    138,849.10/208,266.73 = 48,896.25/x
  3. Step 3: Cross multiply
    138,849.10x = 208,266.73 × 48,896.25
  4. Step 4: Simplify right side
    138,849.10x = 10,183,462,938.88
  5. Step 5: Solve for x
    x = 10,183,462,938.88/138,849.10
  6. Step 6: Final answer
    x = 73,341.94

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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.