Home / 152,971.78-229,198.78-93,683.64

Finding the Fourth Proportional to 152,971.78, 229,198.78 and 93,683.64

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Solution

The fourth proportional to 152,971.78, 229,198.78 and 93,683.64 is: 140,366.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,971.78 : 229,198.78 = 93,683.64 : x
  2. Step 2: Convert to fraction form
    152,971.78/229,198.78 = 93,683.64/x
  3. Step 3: Cross multiply
    152,971.78x = 229,198.78 × 93,683.64
  4. Step 4: Simplify right side
    152,971.78x = 21,472,175,993.96
  5. Step 5: Solve for x
    x = 21,472,175,993.96/152,971.78
  6. Step 6: Final answer
    x = 140,366.91

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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.