Home / 116,171.28-160,297.36-68,418.16

Finding the Fourth Proportional to 116,171.28, 160,297.36 and 68,418.16

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Solution

The fourth proportional to 116,171.28, 160,297.36 and 68,418.16 is: 94,405.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,171.28 : 160,297.36 = 68,418.16 : x
  2. Step 2: Convert to fraction form
    116,171.28/160,297.36 = 68,418.16/x
  3. Step 3: Cross multiply
    116,171.28x = 160,297.36 × 68,418.16
  4. Step 4: Simplify right side
    116,171.28x = 10,967,250,424.06
  5. Step 5: Solve for x
    x = 10,967,250,424.06/116,171.28
  6. Step 6: Final answer
    x = 94,405.87

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1.5x scale

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.