Home / 116,968.08-161,413.95-65,980.92

Finding the Fourth Proportional to 116,968.08, 161,413.95 and 65,980.92

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Solution

The fourth proportional to 116,968.08, 161,413.95 and 65,980.92 is: 91,052.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,968.08 : 161,413.95 = 65,980.92 : x
  2. Step 2: Convert to fraction form
    116,968.08/161,413.95 = 65,980.92/x
  3. Step 3: Cross multiply
    116,968.08x = 161,413.95 × 65,980.92
  4. Step 4: Simplify right side
    116,968.08x = 10,650,240,921.83
  5. Step 5: Solve for x
    x = 10,650,240,921.83/116,968.08
  6. Step 6: Final answer
    x = 91,052.54

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1.5x scale

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.