Home / 139,491.22-209,232.96-50,746.36

Finding the Fourth Proportional to 139,491.22, 209,232.96 and 50,746.36

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Solution

The fourth proportional to 139,491.22, 209,232.96 and 50,746.36 is: 76,118.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,491.22 : 209,232.96 = 50,746.36 : x
  2. Step 2: Convert to fraction form
    139,491.22/209,232.96 = 50,746.36/x
  3. Step 3: Cross multiply
    139,491.22x = 209,232.96 × 50,746.36
  4. Step 4: Simplify right side
    139,491.22x = 10,617,811,112.03
  5. Step 5: Solve for x
    x = 10,617,811,112.03/139,491.22
  6. Step 6: Final answer
    x = 76,118.13

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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.