Home / 116,467.78-160,725.48-66,166.78

Finding the Fourth Proportional to 116,467.78, 160,725.48 and 66,166.78

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Solution

The fourth proportional to 116,467.78, 160,725.48 and 66,166.78 is: 91,310.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,467.78 : 160,725.48 = 66,166.78 : x
  2. Step 2: Convert to fraction form
    116,467.78/160,725.48 = 66,166.78/x
  3. Step 3: Cross multiply
    116,467.78x = 160,725.48 × 66,166.78
  4. Step 4: Simplify right side
    116,467.78x = 10,634,687,475.55
  5. Step 5: Solve for x
    x = 10,634,687,475.55/116,467.78
  6. Step 6: Final answer
    x = 91,310.12

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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.