Home / 106,228.02-159,304.86-31,328.28

Finding the Fourth Proportional to 106,228.02, 159,304.86 and 31,328.28

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Solution

The fourth proportional to 106,228.02, 159,304.86 and 31,328.28 is: 46,981.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,228.02 : 159,304.86 = 31,328.28 : x
  2. Step 2: Convert to fraction form
    106,228.02/159,304.86 = 31,328.28/x
  3. Step 3: Cross multiply
    106,228.02x = 159,304.86 × 31,328.28
  4. Step 4: Simplify right side
    106,228.02x = 4,990,747,259.44
  5. Step 5: Solve for x
    x = 4,990,747,259.44/106,228.02
  6. Step 6: Final answer
    x = 46,981.46

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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.