Home / 117,413.13-174,707.40-117,019.47

Finding the Fourth Proportional to 117,413.13, 174,707.40 and 117,019.47

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Solution

The fourth proportional to 117,413.13, 174,707.40 and 117,019.47 is: 174,121.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,413.13 : 174,707.40 = 117,019.47 : x
  2. Step 2: Convert to fraction form
    117,413.13/174,707.40 = 117,019.47/x
  3. Step 3: Cross multiply
    117,413.13x = 174,707.40 × 117,019.47
  4. Step 4: Simplify right side
    117,413.13x = 20,444,167,353.08
  5. Step 5: Solve for x
    x = 20,444,167,353.08/117,413.13
  6. Step 6: Final answer
    x = 174,121.65

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.