Home / 380,414.92-570,621.02-114,174.28

Finding the Fourth Proportional to 380,414.92, 570,621.02 and 114,174.28

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Solution

The fourth proportional to 380,414.92, 570,621.02 and 114,174.28 is: 171,261.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,414.92 : 570,621.02 = 114,174.28 : x
  2. Step 2: Convert to fraction form
    380,414.92/570,621.02 = 114,174.28/x
  3. Step 3: Cross multiply
    380,414.92x = 570,621.02 × 114,174.28
  4. Step 4: Simplify right side
    380,414.92x = 65,150,244,111.37
  5. Step 5: Solve for x
    x = 65,150,244,111.37/380,414.92
  6. Step 6: Final answer
    x = 171,261.01

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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.