Home / 188,298.19-259,788.29-106,615.30

Finding the Fourth Proportional to 188,298.19, 259,788.29 and 106,615.30

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Solution

The fourth proportional to 188,298.19, 259,788.29 and 106,615.30 is: 147,093.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,298.19 : 259,788.29 = 106,615.30 : x
  2. Step 2: Convert to fraction form
    188,298.19/259,788.29 = 106,615.30/x
  3. Step 3: Cross multiply
    188,298.19x = 259,788.29 × 106,615.30
  4. Step 4: Simplify right side
    188,298.19x = 27,697,406,579.01
  5. Step 5: Solve for x
    x = 27,697,406,579.01/188,298.19
  6. Step 6: Final answer
    x = 147,093.32

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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.