Home / 139,347.24-208,954.89-53,998.02

Finding the Fourth Proportional to 139,347.24, 208,954.89 and 53,998.02

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Solution

The fourth proportional to 139,347.24, 208,954.89 and 53,998.02 is: 80,971.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,347.24 : 208,954.89 = 53,998.02 : x
  2. Step 2: Convert to fraction form
    139,347.24/208,954.89 = 53,998.02/x
  3. Step 3: Cross multiply
    139,347.24x = 208,954.89 × 53,998.02
  4. Step 4: Simplify right side
    139,347.24x = 11,283,150,329.32
  5. Step 5: Solve for x
    x = 11,283,150,329.32/139,347.24
  6. Step 6: Final answer
    x = 80,971.47

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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.