Home / 269,210.36-371,512.80-148,355.98

Finding the Fourth Proportional to 269,210.36, 371,512.80 and 148,355.98

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Solution

The fourth proportional to 269,210.36, 371,512.80 and 148,355.98 is: 204,732.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,210.36 : 371,512.80 = 148,355.98 : x
  2. Step 2: Convert to fraction form
    269,210.36/371,512.80 = 148,355.98/x
  3. Step 3: Cross multiply
    269,210.36x = 371,512.80 × 148,355.98
  4. Step 4: Simplify right side
    269,210.36x = 55,116,147,627.21
  5. Step 5: Solve for x
    x = 55,116,147,627.21/269,210.36
  6. Step 6: Final answer
    x = 204,732.64

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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.