Home / 171,413.18-236,471.70-111,003.28

Finding the Fourth Proportional to 171,413.18, 236,471.70 and 111,003.28

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Solution

The fourth proportional to 171,413.18, 236,471.70 and 111,003.28 is: 153,133.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,413.18 : 236,471.70 = 111,003.28 : x
  2. Step 2: Convert to fraction form
    171,413.18/236,471.70 = 111,003.28/x
  3. Step 3: Cross multiply
    171,413.18x = 236,471.70 × 111,003.28
  4. Step 4: Simplify right side
    171,413.18x = 26,249,134,327.18
  5. Step 5: Solve for x
    x = 26,249,134,327.18/171,413.18
  6. Step 6: Final answer
    x = 153,133.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.