Home / 165,683.53-248,151.42-76,750.21

Finding the Fourth Proportional to 165,683.53, 248,151.42 and 76,750.21

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Solution

The fourth proportional to 165,683.53, 248,151.42 and 76,750.21 is: 114,952.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,683.53 : 248,151.42 = 76,750.21 : x
  2. Step 2: Convert to fraction form
    165,683.53/248,151.42 = 76,750.21/x
  3. Step 3: Cross multiply
    165,683.53x = 248,151.42 × 76,750.21
  4. Step 4: Simplify right side
    165,683.53x = 19,045,673,596.80
  5. Step 5: Solve for x
    x = 19,045,673,596.80/165,683.53
  6. Step 6: Final answer
    x = 114,952.12

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1.5x scale

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.