Home / 188,770.33-260,504.90-103,889.35

Finding the Fourth Proportional to 188,770.33, 260,504.90 and 103,889.35

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Solution

The fourth proportional to 188,770.33, 260,504.90 and 103,889.35 is: 143,368.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,770.33 : 260,504.90 = 103,889.35 : x
  2. Step 2: Convert to fraction form
    188,770.33/260,504.90 = 103,889.35/x
  3. Step 3: Cross multiply
    188,770.33x = 260,504.90 × 103,889.35
  4. Step 4: Simplify right side
    188,770.33x = 27,063,684,732.82
  5. Step 5: Solve for x
    x = 27,063,684,732.82/188,770.33
  6. Step 6: Final answer
    x = 143,368.32

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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.