Home / 111,570.44-153,790.26-109,358.60

Finding the Fourth Proportional to 111,570.44, 153,790.26 and 109,358.60

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Solution

The fourth proportional to 111,570.44, 153,790.26 and 109,358.60 is: 150,741.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,570.44 : 153,790.26 = 109,358.60 : x
  2. Step 2: Convert to fraction form
    111,570.44/153,790.26 = 109,358.60/x
  3. Step 3: Cross multiply
    111,570.44x = 153,790.26 × 109,358.60
  4. Step 4: Simplify right side
    111,570.44x = 16,818,287,527.24
  5. Step 5: Solve for x
    x = 16,818,287,527.24/111,570.44
  6. Step 6: Final answer
    x = 150,741.43

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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.