Home / 188,900.48-260,527.68-137,855.84

Finding the Fourth Proportional to 188,900.48, 260,527.68 and 137,855.84

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Solution

The fourth proportional to 188,900.48, 260,527.68 and 137,855.84 is: 190,127.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,900.48 : 260,527.68 = 137,855.84 : x
  2. Step 2: Convert to fraction form
    188,900.48/260,527.68 = 137,855.84/x
  3. Step 3: Cross multiply
    188,900.48x = 260,527.68 × 137,855.84
  4. Step 4: Simplify right side
    188,900.48x = 35,915,262,169.65
  5. Step 5: Solve for x
    x = 35,915,262,169.65/188,900.48
  6. Step 6: Final answer
    x = 190,127.96

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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.