Home / 209,259.54-313,790.86-146,150.92

Finding the Fourth Proportional to 209,259.54, 313,790.86 and 146,150.92

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Solution

The fourth proportional to 209,259.54, 313,790.86 and 146,150.92 is: 219,157.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,259.54 : 313,790.86 = 146,150.92 : x
  2. Step 2: Convert to fraction form
    209,259.54/313,790.86 = 146,150.92/x
  3. Step 3: Cross multiply
    209,259.54x = 313,790.86 × 146,150.92
  4. Step 4: Simplify right side
    209,259.54x = 45,860,822,876.59
  5. Step 5: Solve for x
    x = 45,860,822,876.59/209,259.54
  6. Step 6: Final answer
    x = 219,157.62

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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.