Home / 188,206.77-259,725.78-103,329.30

Finding the Fourth Proportional to 188,206.77, 259,725.78 and 103,329.30

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Solution

The fourth proportional to 188,206.77, 259,725.78 and 103,329.30 is: 142,594.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,206.77 : 259,725.78 = 103,329.30 : x
  2. Step 2: Convert to fraction form
    188,206.77/259,725.78 = 103,329.30/x
  3. Step 3: Cross multiply
    188,206.77x = 259,725.78 × 103,329.30
  4. Step 4: Simplify right side
    188,206.77x = 26,837,283,039.35
  5. Step 5: Solve for x
    x = 26,837,283,039.35/188,206.77
  6. Step 6: Final answer
    x = 142,594.67

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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.