Home / 114,788.83-171,896.88-72,541.46

Finding the Fourth Proportional to 114,788.83, 171,896.88 and 72,541.46

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Solution

The fourth proportional to 114,788.83, 171,896.88 and 72,541.46 is: 108,631.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,788.83 : 171,896.88 = 72,541.46 : x
  2. Step 2: Convert to fraction form
    114,788.83/171,896.88 = 72,541.46/x
  3. Step 3: Cross multiply
    114,788.83x = 171,896.88 × 72,541.46
  4. Step 4: Simplify right side
    114,788.83x = 12,469,650,396.26
  5. Step 5: Solve for x
    x = 12,469,650,396.26/114,788.83
  6. Step 6: Final answer
    x = 108,631.22

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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.