Home / 111,457.86-167,199.47-40,413.95

Finding the Fourth Proportional to 111,457.86, 167,199.47 and 40,413.95

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Solution

The fourth proportional to 111,457.86, 167,199.47 and 40,413.95 is: 60,625.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,457.86 : 167,199.47 = 40,413.95 : x
  2. Step 2: Convert to fraction form
    111,457.86/167,199.47 = 40,413.95/x
  3. Step 3: Cross multiply
    111,457.86x = 167,199.47 × 40,413.95
  4. Step 4: Simplify right side
    111,457.86x = 6,757,191,020.61
  5. Step 5: Solve for x
    x = 6,757,191,020.61/111,457.86
  6. Step 6: Final answer
    x = 60,625.52

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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.