Home / 188,768.29-260,500.75-103,885.35

Finding the Fourth Proportional to 188,768.29, 260,500.75 and 103,885.35

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Solution

The fourth proportional to 188,768.29, 260,500.75 and 103,885.35 is: 143,362.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,768.29 : 260,500.75 = 103,885.35 : x
  2. Step 2: Convert to fraction form
    188,768.29/260,500.75 = 103,885.35/x
  3. Step 3: Cross multiply
    188,768.29x = 260,500.75 × 103,885.35
  4. Step 4: Simplify right side
    188,768.29x = 27,062,210,572.66
  5. Step 5: Solve for x
    x = 27,062,210,572.66/188,768.29
  6. Step 6: Final answer
    x = 143,362.06

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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.