Home / 188,426.30-260,025.26-103,541.54

Finding the Fourth Proportional to 188,426.30, 260,025.26 and 103,541.54

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Solution

The fourth proportional to 188,426.30, 260,025.26 and 103,541.54 is: 142,885.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,426.30 : 260,025.26 = 103,541.54 : x
  2. Step 2: Convert to fraction form
    188,426.30/260,025.26 = 103,541.54/x
  3. Step 3: Cross multiply
    188,426.30x = 260,025.26 × 103,541.54
  4. Step 4: Simplify right side
    188,426.30x = 26,923,415,859.30
  5. Step 5: Solve for x
    x = 26,923,415,859.30/188,426.30
  6. Step 6: Final answer
    x = 142,885.66

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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.