Home / 188,573.13-260,220.06-103,690.26

Finding the Fourth Proportional to 188,573.13, 260,220.06 and 103,690.26

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Solution

The fourth proportional to 188,573.13, 260,220.06 and 103,690.26 is: 143,086.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,573.13 : 260,220.06 = 103,690.26 : x
  2. Step 2: Convert to fraction form
    188,573.13/260,220.06 = 103,690.26/x
  3. Step 3: Cross multiply
    188,573.13x = 260,220.06 × 103,690.26
  4. Step 4: Simplify right side
    188,573.13x = 26,982,285,678.62
  5. Step 5: Solve for x
    x = 26,982,285,678.62/188,573.13
  6. Step 6: Final answer
    x = 143,086.59

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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.