Home / 188,435.46-260,063.40-107,888.85

Finding the Fourth Proportional to 188,435.46, 260,063.40 and 107,888.85

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Solution

The fourth proportional to 188,435.46, 260,063.40 and 107,888.85 is: 148,899.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,435.46 : 260,063.40 = 107,888.85 : x
  2. Step 2: Convert to fraction form
    188,435.46/260,063.40 = 107,888.85/x
  3. Step 3: Cross multiply
    188,435.46x = 260,063.40 × 107,888.85
  4. Step 4: Simplify right side
    188,435.46x = 28,057,941,153.09
  5. Step 5: Solve for x
    x = 28,057,941,153.09/188,435.46
  6. Step 6: Final answer
    x = 148,899.48

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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.