Home / 190,942.13-286,413.20-66,283.13

Finding the Fourth Proportional to 190,942.13, 286,413.20 and 66,283.13

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Solution

The fourth proportional to 190,942.13, 286,413.20 and 66,283.13 is: 99,424.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,942.13 : 286,413.20 = 66,283.13 : x
  2. Step 2: Convert to fraction form
    190,942.13/286,413.20 = 66,283.13/x
  3. Step 3: Cross multiply
    190,942.13x = 286,413.20 × 66,283.13
  4. Step 4: Simplify right side
    190,942.13x = 18,984,361,605.83
  5. Step 5: Solve for x
    x = 18,984,361,605.83/190,942.13
  6. Step 6: Final answer
    x = 99,424.69

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Similar ratio
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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.