Home / 188,110.71-259,595.96-103,235.67

Finding the Fourth Proportional to 188,110.71, 259,595.96 and 103,235.67

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Solution

The fourth proportional to 188,110.71, 259,595.96 and 103,235.67 is: 142,466.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,110.71 : 259,595.96 = 103,235.67 : x
  2. Step 2: Convert to fraction form
    188,110.71/259,595.96 = 103,235.67/x
  3. Step 3: Cross multiply
    188,110.71x = 259,595.96 × 103,235.67
  4. Step 4: Simplify right side
    188,110.71x = 26,799,562,343.71
  5. Step 5: Solve for x
    x = 26,799,562,343.71/188,110.71
  6. Step 6: Final answer
    x = 142,466.97

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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.