Home / 325,076.23-487,493.08-111,783.81

Finding the Fourth Proportional to 325,076.23, 487,493.08 and 111,783.81

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Solution

The fourth proportional to 325,076.23, 487,493.08 and 111,783.81 is: 167,634.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,076.23 : 487,493.08 = 111,783.81 : x
  2. Step 2: Convert to fraction form
    325,076.23/487,493.08 = 111,783.81/x
  3. Step 3: Cross multiply
    325,076.23x = 487,493.08 × 111,783.81
  4. Step 4: Simplify right side
    325,076.23x = 54,493,833,831.03
  5. Step 5: Solve for x
    x = 54,493,833,831.03/325,076.23
  6. Step 6: Final answer
    x = 167,634.02

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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.