Home / 205,664.40-308,266.20-116,960.40

Finding the Fourth Proportional to 205,664.40, 308,266.20 and 116,960.40

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Solution

The fourth proportional to 205,664.40, 308,266.20 and 116,960.40 is: 175,309.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,664.40 : 308,266.20 = 116,960.40 : x
  2. Step 2: Convert to fraction form
    205,664.40/308,266.20 = 116,960.40/x
  3. Step 3: Cross multiply
    205,664.40x = 308,266.20 × 116,960.40
  4. Step 4: Simplify right side
    205,664.40x = 36,054,938,058.48
  5. Step 5: Solve for x
    x = 36,054,938,058.48/205,664.40
  6. Step 6: Final answer
    x = 175,309.57

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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.