Home / 163,386.90-244,735.92-74,715.03

Finding the Fourth Proportional to 163,386.90, 244,735.92 and 74,715.03

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Solution

The fourth proportional to 163,386.90, 244,735.92 and 74,715.03 is: 111,915.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,386.90 : 244,735.92 = 74,715.03 : x
  2. Step 2: Convert to fraction form
    163,386.90/244,735.92 = 74,715.03/x
  3. Step 3: Cross multiply
    163,386.90x = 244,735.92 × 74,715.03
  4. Step 4: Simplify right side
    163,386.90x = 18,285,451,604.88
  5. Step 5: Solve for x
    x = 18,285,451,604.88/163,386.90
  6. Step 6: Final answer
    x = 111,915.04

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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.