Home / 163,724.80-245,443.20-110,963.20

Finding the Fourth Proportional to 163,724.80, 245,443.20 and 110,963.20

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Solution

The fourth proportional to 163,724.80, 245,443.20 and 110,963.20 is: 166,347.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,724.80 : 245,443.20 = 110,963.20 : x
  2. Step 2: Convert to fraction form
    163,724.80/245,443.20 = 110,963.20/x
  3. Step 3: Cross multiply
    163,724.80x = 245,443.20 × 110,963.20
  4. Step 4: Simplify right side
    163,724.80x = 27,235,162,890.24
  5. Step 5: Solve for x
    x = 27,235,162,890.24/163,724.80
  6. Step 6: Final answer
    x = 166,347.21

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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.