Home / 165,536.16-248,413.32-90,708.86

Finding the Fourth Proportional to 165,536.16, 248,413.32 and 90,708.86

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Solution

The fourth proportional to 165,536.16, 248,413.32 and 90,708.86 is: 136,123.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,536.16 : 248,413.32 = 90,708.86 : x
  2. Step 2: Convert to fraction form
    165,536.16/248,413.32 = 90,708.86/x
  3. Step 3: Cross multiply
    165,536.16x = 248,413.32 × 90,708.86
  4. Step 4: Simplify right side
    165,536.16x = 22,533,287,823.95
  5. Step 5: Solve for x
    x = 22,533,287,823.95/165,536.16
  6. Step 6: Final answer
    x = 136,123.06

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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.