Home / 227,071.20-313,334.73-139,842.50

Finding the Fourth Proportional to 227,071.20, 313,334.73 and 139,842.50

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Solution

The fourth proportional to 227,071.20, 313,334.73 and 139,842.50 is: 192,968.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,071.20 : 313,334.73 = 139,842.50 : x
  2. Step 2: Convert to fraction form
    227,071.20/313,334.73 = 139,842.50/x
  3. Step 3: Cross multiply
    227,071.20x = 313,334.73 × 139,842.50
  4. Step 4: Simplify right side
    227,071.20x = 43,817,510,413.35
  5. Step 5: Solve for x
    x = 43,817,510,413.35/227,071.20
  6. Step 6: Final answer
    x = 192,968.15

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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.