Home / 116,321.29-160,522.38-65,334.80

Finding the Fourth Proportional to 116,321.29, 160,522.38 and 65,334.80

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Solution

The fourth proportional to 116,321.29, 160,522.38 and 65,334.80 is: 90,161.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,321.29 : 160,522.38 = 65,334.80 : x
  2. Step 2: Convert to fraction form
    116,321.29/160,522.38 = 65,334.80/x
  3. Step 3: Cross multiply
    116,321.29x = 160,522.38 × 65,334.80
  4. Step 4: Simplify right side
    116,321.29x = 10,487,698,177.88
  5. Step 5: Solve for x
    x = 10,487,698,177.88/116,321.29
  6. Step 6: Final answer
    x = 90,161.47

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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.