Home / 236,831.70-355,247.55-211,026.90

Finding the Fourth Proportional to 236,831.70, 355,247.55 and 211,026.90

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Solution

The fourth proportional to 236,831.70, 355,247.55 and 211,026.90 is: 316,540.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,831.70 : 355,247.55 = 211,026.90 : x
  2. Step 2: Convert to fraction form
    236,831.70/355,247.55 = 211,026.90/x
  3. Step 3: Cross multiply
    236,831.70x = 355,247.55 × 211,026.90
  4. Step 4: Simplify right side
    236,831.70x = 74,966,789,209.10
  5. Step 5: Solve for x
    x = 74,966,789,209.10/236,831.70
  6. Step 6: Final answer
    x = 316,540.35

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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.