Home / 116,143.56-160,290.36-68,395.89

Finding the Fourth Proportional to 116,143.56, 160,290.36 and 68,395.89

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Solution

The fourth proportional to 116,143.56, 160,290.36 and 68,395.89 is: 94,393.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,143.56 : 160,290.36 = 68,395.89 : x
  2. Step 2: Convert to fraction form
    116,143.56/160,290.36 = 68,395.89/x
  3. Step 3: Cross multiply
    116,143.56x = 160,290.36 × 68,395.89
  4. Step 4: Simplify right side
    116,143.56x = 10,963,201,830.62
  5. Step 5: Solve for x
    x = 10,963,201,830.62/116,143.56
  6. Step 6: Final answer
    x = 94,393.54

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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.