Home / 116,219.12-160,375.64-65,227.12

Finding the Fourth Proportional to 116,219.12, 160,375.64 and 65,227.12

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Solution

The fourth proportional to 116,219.12, 160,375.64 and 65,227.12 is: 90,009.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,219.12 : 160,375.64 = 65,227.12 : x
  2. Step 2: Convert to fraction form
    116,219.12/160,375.64 = 65,227.12/x
  3. Step 3: Cross multiply
    116,219.12x = 160,375.64 × 65,227.12
  4. Step 4: Simplify right side
    116,219.12x = 10,460,841,115.36
  5. Step 5: Solve for x
    x = 10,460,841,115.36/116,219.12
  6. Step 6: Final answer
    x = 90,009.64

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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.