Home / 163,849.23-245,771.79-89,443.41

Finding the Fourth Proportional to 163,849.23, 245,771.79 and 89,443.41

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Solution

The fourth proportional to 163,849.23, 245,771.79 and 89,443.41 is: 134,163.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,849.23 : 245,771.79 = 89,443.41 : x
  2. Step 2: Convert to fraction form
    163,849.23/245,771.79 = 89,443.41/x
  3. Step 3: Cross multiply
    163,849.23x = 245,771.79 × 89,443.41
  4. Step 4: Simplify right side
    163,849.23x = 21,982,665,722.35
  5. Step 5: Solve for x
    x = 21,982,665,722.35/163,849.23
  6. Step 6: Final answer
    x = 134,163.99

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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.