Home / 179,905.72-248,281.14-103,449.16

Finding the Fourth Proportional to 179,905.72, 248,281.14 and 103,449.16

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Solution

The fourth proportional to 179,905.72, 248,281.14 and 103,449.16 is: 142,766.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,905.72 : 248,281.14 = 103,449.16 : x
  2. Step 2: Convert to fraction form
    179,905.72/248,281.14 = 103,449.16/x
  3. Step 3: Cross multiply
    179,905.72x = 248,281.14 × 103,449.16
  4. Step 4: Simplify right side
    179,905.72x = 25,684,475,376.84
  5. Step 5: Solve for x
    x = 25,684,475,376.84/179,905.72
  6. Step 6: Final answer
    x = 142,766.31

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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.