Home / 110,298.48-165,420.38-31,413.40

Finding the Fourth Proportional to 110,298.48, 165,420.38 and 31,413.40

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Solution

The fourth proportional to 110,298.48, 165,420.38 and 31,413.40 is: 47,112.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,298.48 : 165,420.38 = 31,413.40 : x
  2. Step 2: Convert to fraction form
    110,298.48/165,420.38 = 31,413.40/x
  3. Step 3: Cross multiply
    110,298.48x = 165,420.38 × 31,413.40
  4. Step 4: Simplify right side
    110,298.48x = 5,196,416,565.09
  5. Step 5: Solve for x
    x = 5,196,416,565.09/110,298.48
  6. Step 6: Final answer
    x = 47,112.31

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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.