Home / 209,089.06-313,586.30-96,707.61

Finding the Fourth Proportional to 209,089.06, 313,586.30 and 96,707.61

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Solution

The fourth proportional to 209,089.06, 313,586.30 and 96,707.61 is: 145,039.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,089.06 : 313,586.30 = 96,707.61 : x
  2. Step 2: Convert to fraction form
    209,089.06/313,586.30 = 96,707.61/x
  3. Step 3: Cross multiply
    209,089.06x = 313,586.30 × 96,707.61
  4. Step 4: Simplify right side
    209,089.06x = 30,326,181,843.51
  5. Step 5: Solve for x
    x = 30,326,181,843.51/209,089.06
  6. Step 6: Final answer
    x = 145,039.55

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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.