Home / 251,930.64-347,831.56-156,579.60

Finding the Fourth Proportional to 251,930.64, 347,831.56 and 156,579.60

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Solution

The fourth proportional to 251,930.64, 347,831.56 and 156,579.60 is: 216,183.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,930.64 : 347,831.56 = 156,579.60 : x
  2. Step 2: Convert to fraction form
    251,930.64/347,831.56 = 156,579.60/x
  3. Step 3: Cross multiply
    251,930.64x = 347,831.56 × 156,579.60
  4. Step 4: Simplify right side
    251,930.64x = 54,463,326,532.18
  5. Step 5: Solve for x
    x = 54,463,326,532.18/251,930.64
  6. Step 6: Final answer
    x = 216,183.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.