Home / 116,037.20-160,131.32-65,736.20

Finding the Fourth Proportional to 116,037.20, 160,131.32 and 65,736.20

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Solution

The fourth proportional to 116,037.20, 160,131.32 and 65,736.20 is: 90,715.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,037.20 : 160,131.32 = 65,736.20 : x
  2. Step 2: Convert to fraction form
    116,037.20/160,131.32 = 65,736.20/x
  3. Step 3: Cross multiply
    116,037.20x = 160,131.32 × 65,736.20
  4. Step 4: Simplify right side
    116,037.20x = 10,526,423,348.45
  5. Step 5: Solve for x
    x = 10,526,423,348.45/116,037.20
  6. Step 6: Final answer
    x = 90,715.94

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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.