Home / 211,104.36-316,669.50-92,831.40

Finding the Fourth Proportional to 211,104.36, 316,669.50 and 92,831.40

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Solution

The fourth proportional to 211,104.36, 316,669.50 and 92,831.40 is: 139,252.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,104.36 : 316,669.50 = 92,831.40 : x
  2. Step 2: Convert to fraction form
    211,104.36/316,669.50 = 92,831.40/x
  3. Step 3: Cross multiply
    211,104.36x = 316,669.50 × 92,831.40
  4. Step 4: Simplify right side
    211,104.36x = 29,396,873,022.30
  5. Step 5: Solve for x
    x = 29,396,873,022.30/211,104.36
  6. Step 6: Final answer
    x = 139,252.80

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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.