Home / 152,738.30-229,015.32-68,483.22

Finding the Fourth Proportional to 152,738.30, 229,015.32 and 68,483.22

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Solution

The fourth proportional to 152,738.30, 229,015.32 and 68,483.22 is: 102,683.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,738.30 : 229,015.32 = 68,483.22 : x
  2. Step 2: Convert to fraction form
    152,738.30/229,015.32 = 68,483.22/x
  3. Step 3: Cross multiply
    152,738.30x = 229,015.32 × 68,483.22
  4. Step 4: Simplify right side
    152,738.30x = 15,683,706,542.93
  5. Step 5: Solve for x
    x = 15,683,706,542.93/152,738.30
  6. Step 6: Final answer
    x = 102,683.52

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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.