Home / 188,737.47-260,450.37-108,107.64

Finding the Fourth Proportional to 188,737.47, 260,450.37 and 108,107.64

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Solution

The fourth proportional to 188,737.47, 260,450.37 and 108,107.64 is: 149,184.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,737.47 : 260,450.37 = 108,107.64 : x
  2. Step 2: Convert to fraction form
    188,737.47/260,450.37 = 108,107.64/x
  3. Step 3: Cross multiply
    188,737.47x = 260,450.37 × 108,107.64
  4. Step 4: Simplify right side
    188,737.47x = 28,156,674,837.83
  5. Step 5: Solve for x
    x = 28,156,674,837.83/188,737.47
  6. Step 6: Final answer
    x = 149,184.34

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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.