Home / 111,330.30-166,995.45-28,224.30

Finding the Fourth Proportional to 111,330.30, 166,995.45 and 28,224.30

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Solution

The fourth proportional to 111,330.30, 166,995.45 and 28,224.30 is: 42,336.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,330.30 : 166,995.45 = 28,224.30 : x
  2. Step 2: Convert to fraction form
    111,330.30/166,995.45 = 28,224.30/x
  3. Step 3: Cross multiply
    111,330.30x = 166,995.45 × 28,224.30
  4. Step 4: Simplify right side
    111,330.30x = 4,713,329,679.44
  5. Step 5: Solve for x
    x = 4,713,329,679.44/111,330.30
  6. Step 6: Final answer
    x = 42,336.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.