Home / 147,209.72-220,880.22-53,693.60

Finding the Fourth Proportional to 147,209.72, 220,880.22 and 53,693.60

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Solution

The fourth proportional to 147,209.72, 220,880.22 and 53,693.60 is: 80,564.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,209.72 : 220,880.22 = 53,693.60 : x
  2. Step 2: Convert to fraction form
    147,209.72/220,880.22 = 53,693.60/x
  3. Step 3: Cross multiply
    147,209.72x = 220,880.22 × 53,693.60
  4. Step 4: Simplify right side
    147,209.72x = 11,859,854,180.59
  5. Step 5: Solve for x
    x = 11,859,854,180.59/147,209.72
  6. Step 6: Final answer
    x = 80,564.34

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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.