Home / 205,017.14-307,236.70-96,831.18

Finding the Fourth Proportional to 205,017.14, 307,236.70 and 96,831.18

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Solution

The fourth proportional to 205,017.14, 307,236.70 and 96,831.18 is: 145,110.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,017.14 : 307,236.70 = 96,831.18 : x
  2. Step 2: Convert to fraction form
    205,017.14/307,236.70 = 96,831.18/x
  3. Step 3: Cross multiply
    205,017.14x = 307,236.70 × 96,831.18
  4. Step 4: Simplify right side
    205,017.14x = 29,750,092,200.31
  5. Step 5: Solve for x
    x = 29,750,092,200.31/205,017.14
  6. Step 6: Final answer
    x = 145,110.27

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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.