Home / 209,653.30-289,325.01-114,161.86

Finding the Fourth Proportional to 209,653.30, 289,325.01 and 114,161.86

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Solution

The fourth proportional to 209,653.30, 289,325.01 and 114,161.86 is: 157,545.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,653.30 : 289,325.01 = 114,161.86 : x
  2. Step 2: Convert to fraction form
    209,653.30/289,325.01 = 114,161.86/x
  3. Step 3: Cross multiply
    209,653.30x = 289,325.01 × 114,161.86
  4. Step 4: Simplify right side
    209,653.30x = 33,029,881,286.12
  5. Step 5: Solve for x
    x = 33,029,881,286.12/209,653.30
  6. Step 6: Final answer
    x = 157,545.25

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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.