Home / 111,504.54-154,004.04-73,434.24

Finding the Fourth Proportional to 111,504.54, 154,004.04 and 73,434.24

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Solution

The fourth proportional to 111,504.54, 154,004.04 and 73,434.24 is: 101,423.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,504.54 : 154,004.04 = 73,434.24 : x
  2. Step 2: Convert to fraction form
    111,504.54/154,004.04 = 73,434.24/x
  3. Step 3: Cross multiply
    111,504.54x = 154,004.04 × 73,434.24
  4. Step 4: Simplify right side
    111,504.54x = 11,309,169,634.33
  5. Step 5: Solve for x
    x = 11,309,169,634.33/111,504.54
  6. Step 6: Final answer
    x = 101,423.40

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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.