Home / 325,987.20-489,063.96-101,349.54

Finding the Fourth Proportional to 325,987.20, 489,063.96 and 101,349.54

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Solution

The fourth proportional to 325,987.20, 489,063.96 and 101,349.54 is: 152,050.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,987.20 : 489,063.96 = 101,349.54 : x
  2. Step 2: Convert to fraction form
    325,987.20/489,063.96 = 101,349.54/x
  3. Step 3: Cross multiply
    325,987.20x = 489,063.96 × 101,349.54
  4. Step 4: Simplify right side
    325,987.20x = 49,566,407,376.58
  5. Step 5: Solve for x
    x = 49,566,407,376.58/325,987.20
  6. Step 6: Final answer
    x = 152,050.16

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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.