Home / 130,436.42-195,654.64-36,942.18

Finding the Fourth Proportional to 130,436.42, 195,654.64 and 36,942.18

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Solution

The fourth proportional to 130,436.42, 195,654.64 and 36,942.18 is: 55,413.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,436.42 : 195,654.64 = 36,942.18 : x
  2. Step 2: Convert to fraction form
    130,436.42/195,654.64 = 36,942.18/x
  3. Step 3: Cross multiply
    130,436.42x = 195,654.64 × 36,942.18
  4. Step 4: Simplify right side
    130,436.42x = 7,227,908,928.72
  5. Step 5: Solve for x
    x = 7,227,908,928.72/130,436.42
  6. Step 6: Final answer
    x = 55,413.27

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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.