Home / 124,436.45-186,655.42-30,942.20

Finding the Fourth Proportional to 124,436.45, 186,655.42 and 30,942.20

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Solution

The fourth proportional to 124,436.45, 186,655.42 and 30,942.20 is: 46,413.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,436.45 : 186,655.42 = 30,942.20 : x
  2. Step 2: Convert to fraction form
    124,436.45/186,655.42 = 30,942.20/x
  3. Step 3: Cross multiply
    124,436.45x = 186,655.42 × 30,942.20
  4. Step 4: Simplify right side
    124,436.45x = 5,775,529,842.04
  5. Step 5: Solve for x
    x = 5,775,529,842.04/124,436.45
  6. Step 6: Final answer
    x = 46,413.49

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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.