Home / 119,413.17-179,078.18-39,434.04

Finding the Fourth Proportional to 119,413.17, 179,078.18 and 39,434.04

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Solution

The fourth proportional to 119,413.17, 179,078.18 and 39,434.04 is: 59,137.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,413.17 : 179,078.18 = 39,434.04 : x
  2. Step 2: Convert to fraction form
    119,413.17/179,078.18 = 39,434.04/x
  3. Step 3: Cross multiply
    119,413.17x = 179,078.18 × 39,434.04
  4. Step 4: Simplify right side
    119,413.17x = 7,061,775,916.08
  5. Step 5: Solve for x
    x = 7,061,775,916.08/119,413.17
  6. Step 6: Final answer
    x = 59,137.33

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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.