Home / 262,831.64-393,985.43-111,066.99

Finding the Fourth Proportional to 262,831.64, 393,985.43 and 111,066.99

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Solution

The fourth proportional to 262,831.64, 393,985.43 and 111,066.99 is: 166,489.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,831.64 : 393,985.43 = 111,066.99 : x
  2. Step 2: Convert to fraction form
    262,831.64/393,985.43 = 111,066.99/x
  3. Step 3: Cross multiply
    262,831.64x = 393,985.43 × 111,066.99
  4. Step 4: Simplify right side
    262,831.64x = 43,758,777,539.61
  5. Step 5: Solve for x
    x = 43,758,777,539.61/262,831.64
  6. Step 6: Final answer
    x = 166,489.76

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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.