Home / 146,443.14-219,413.91-79,929.96

Finding the Fourth Proportional to 146,443.14, 219,413.91 and 79,929.96

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Solution

The fourth proportional to 146,443.14, 219,413.91 and 79,929.96 is: 119,758.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,443.14 : 219,413.91 = 79,929.96 : x
  2. Step 2: Convert to fraction form
    146,443.14/219,413.91 = 79,929.96/x
  3. Step 3: Cross multiply
    146,443.14x = 219,413.91 × 79,929.96
  4. Step 4: Simplify right side
    146,443.14x = 17,537,745,049.74
  5. Step 5: Solve for x
    x = 17,537,745,049.74/146,443.14
  6. Step 6: Final answer
    x = 119,758.05

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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.