Home / 209,611.49-289,269.03-114,123.42

Finding the Fourth Proportional to 209,611.49, 289,269.03 and 114,123.42

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Solution

The fourth proportional to 209,611.49, 289,269.03 and 114,123.42 is: 157,493.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,611.49 : 289,269.03 = 114,123.42 : x
  2. Step 2: Convert to fraction form
    209,611.49/289,269.03 = 114,123.42/x
  3. Step 3: Cross multiply
    209,611.49x = 289,269.03 × 114,123.42
  4. Step 4: Simplify right side
    209,611.49x = 33,012,371,003.68
  5. Step 5: Solve for x
    x = 33,012,371,003.68/209,611.49
  6. Step 6: Final answer
    x = 157,493.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.