Home / 147,619.10-221,100.60-114,230.90

Finding the Fourth Proportional to 147,619.10, 221,100.60 and 114,230.90

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Solution

The fourth proportional to 147,619.10, 221,100.60 and 114,230.90 is: 171,092.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,619.10 : 221,100.60 = 114,230.90 : x
  2. Step 2: Convert to fraction form
    147,619.10/221,100.60 = 114,230.90/x
  3. Step 3: Cross multiply
    147,619.10x = 221,100.60 × 114,230.90
  4. Step 4: Simplify right side
    147,619.10x = 25,256,520,528.54
  5. Step 5: Solve for x
    x = 25,256,520,528.54/147,619.10
  6. Step 6: Final answer
    x = 171,092.50

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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.