Home / 205,570.36-308,511.33-87,324.67

Finding the Fourth Proportional to 205,570.36, 308,511.33 and 87,324.67

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Solution

The fourth proportional to 205,570.36, 308,511.33 and 87,324.67 is: 131,053.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,570.36 : 308,511.33 = 87,324.67 : x
  2. Step 2: Convert to fraction form
    205,570.36/308,511.33 = 87,324.67/x
  3. Step 3: Cross multiply
    205,570.36x = 308,511.33 × 87,324.67
  4. Step 4: Simplify right side
    205,570.36x = 26,940,650,083.51
  5. Step 5: Solve for x
    x = 26,940,650,083.51/205,570.36
  6. Step 6: Final answer
    x = 131,053.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.