Home / 209,869.56-289,611.54-114,374.19

Finding the Fourth Proportional to 209,869.56, 289,611.54 and 114,374.19

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Solution

The fourth proportional to 209,869.56, 289,611.54 and 114,374.19 is: 157,831.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,869.56 : 289,611.54 = 114,374.19 : x
  2. Step 2: Convert to fraction form
    209,869.56/289,611.54 = 114,374.19/x
  3. Step 3: Cross multiply
    209,869.56x = 289,611.54 × 114,374.19
  4. Step 4: Simplify right side
    209,869.56x = 33,124,085,302.15
  5. Step 5: Solve for x
    x = 33,124,085,302.15/209,869.56
  6. Step 6: Final answer
    x = 157,831.78

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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.