Home / 209,884.80-289,632.58-114,389.44

Finding the Fourth Proportional to 209,884.80, 289,632.58 and 114,389.44

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Solution

The fourth proportional to 209,884.80, 289,632.58 and 114,389.44 is: 157,852.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,884.80 : 289,632.58 = 114,389.44 : x
  2. Step 2: Convert to fraction form
    209,884.80/289,632.58 = 114,389.44/x
  3. Step 3: Cross multiply
    209,884.80x = 289,632.58 × 114,389.44
  4. Step 4: Simplify right side
    209,884.80x = 33,130,908,631.96
  5. Step 5: Solve for x
    x = 33,130,908,631.96/209,884.80
  6. Step 6: Final answer
    x = 157,852.83

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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.