Home / 139,560.48-209,348.88-50,823.36

Finding the Fourth Proportional to 139,560.48, 209,348.88 and 50,823.36

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Solution

The fourth proportional to 139,560.48, 209,348.88 and 50,823.36 is: 76,238.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,560.48 : 209,348.88 = 50,823.36 : x
  2. Step 2: Convert to fraction form
    139,560.48/209,348.88 = 50,823.36/x
  3. Step 3: Cross multiply
    139,560.48x = 209,348.88 × 50,823.36
  4. Step 4: Simplify right side
    139,560.48x = 10,639,813,493.84
  5. Step 5: Solve for x
    x = 10,639,813,493.84/139,560.48
  6. Step 6: Final answer
    x = 76,238.01

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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.