Home / 266,831.25-368,230.03-145,969.94

Finding the Fourth Proportional to 266,831.25, 368,230.03 and 145,969.94

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Solution

The fourth proportional to 266,831.25, 368,230.03 and 145,969.94 is: 201,440.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,831.25 : 368,230.03 = 145,969.94 : x
  2. Step 2: Convert to fraction form
    266,831.25/368,230.03 = 145,969.94/x
  3. Step 3: Cross multiply
    266,831.25x = 368,230.03 × 145,969.94
  4. Step 4: Simplify right side
    266,831.25x = 53,750,515,385.30
  5. Step 5: Solve for x
    x = 53,750,515,385.30/266,831.25
  6. Step 6: Final answer
    x = 201,440.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.