Home / 147,400.46-203,413.31-83,741.75

Finding the Fourth Proportional to 147,400.46, 203,413.31 and 83,741.75

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Solution

The fourth proportional to 147,400.46, 203,413.31 and 83,741.75 is: 115,563.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,400.46 : 203,413.31 = 83,741.75 : x
  2. Step 2: Convert to fraction form
    147,400.46/203,413.31 = 83,741.75/x
  3. Step 3: Cross multiply
    147,400.46x = 203,413.31 × 83,741.75
  4. Step 4: Simplify right side
    147,400.46x = 17,034,185,116.92
  5. Step 5: Solve for x
    x = 17,034,185,116.92/147,400.46
  6. Step 6: Final answer
    x = 115,563.99

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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.