Home / 152,738.44-229,015.56-68,483.32

Finding the Fourth Proportional to 152,738.44, 229,015.56 and 68,483.32

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Solution

The fourth proportional to 152,738.44, 229,015.56 and 68,483.32 is: 102,683.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,738.44 : 229,015.56 = 68,483.32 : x
  2. Step 2: Convert to fraction form
    152,738.44/229,015.56 = 68,483.32/x
  3. Step 3: Cross multiply
    152,738.44x = 229,015.56 × 68,483.32
  4. Step 4: Simplify right side
    152,738.44x = 15,683,745,880.46
  5. Step 5: Solve for x
    x = 15,683,745,880.46/152,738.44
  6. Step 6: Final answer
    x = 102,683.69

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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.