Home / 147,189.02-220,820.31-58,413.15

Finding the Fourth Proportional to 147,189.02, 220,820.31 and 58,413.15

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Solution

The fourth proportional to 147,189.02, 220,820.31 and 58,413.15 is: 87,634.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,189.02 : 220,820.31 = 58,413.15 : x
  2. Step 2: Convert to fraction form
    147,189.02/220,820.31 = 58,413.15/x
  3. Step 3: Cross multiply
    147,189.02x = 220,820.31 × 58,413.15
  4. Step 4: Simplify right side
    147,189.02x = 12,898,809,891.08
  5. Step 5: Solve for x
    x = 12,898,809,891.08/147,189.02
  6. Step 6: Final answer
    x = 87,634.32

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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.