Home / 209,890.83-289,655.46-114,403.71

Finding the Fourth Proportional to 209,890.83, 289,655.46 and 114,403.71

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Solution

The fourth proportional to 209,890.83, 289,655.46 and 114,403.71 is: 157,880.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,890.83 : 289,655.46 = 114,403.71 : x
  2. Step 2: Convert to fraction form
    209,890.83/289,655.46 = 114,403.71/x
  3. Step 3: Cross multiply
    209,890.83x = 289,655.46 × 114,403.71
  4. Step 4: Simplify right side
    209,890.83x = 33,137,659,245.76
  5. Step 5: Solve for x
    x = 33,137,659,245.76/209,890.83
  6. Step 6: Final answer
    x = 157,880.45

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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.