Home / 188,192.23-259,705.88-102,151.28

Finding the Fourth Proportional to 188,192.23, 259,705.88 and 102,151.28

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Solution

The fourth proportional to 188,192.23, 259,705.88 and 102,151.28 is: 140,969.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,192.23 : 259,705.88 = 102,151.28 : x
  2. Step 2: Convert to fraction form
    188,192.23/259,705.88 = 102,151.28/x
  3. Step 3: Cross multiply
    188,192.23x = 259,705.88 × 102,151.28
  4. Step 4: Simplify right side
    188,192.23x = 26,529,287,126.26
  5. Step 5: Solve for x
    x = 26,529,287,126.26/188,192.23
  6. Step 6: Final answer
    x = 140,969.09

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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.