Home / 209,674.59-289,355.55-114,181.29

Finding the Fourth Proportional to 209,674.59, 289,355.55 and 114,181.29

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Solution

The fourth proportional to 209,674.59, 289,355.55 and 114,181.29 is: 157,572.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,674.59 : 289,355.55 = 114,181.29 : x
  2. Step 2: Convert to fraction form
    209,674.59/289,355.55 = 114,181.29/x
  3. Step 3: Cross multiply
    209,674.59x = 289,355.55 × 114,181.29
  4. Step 4: Simplify right side
    209,674.59x = 33,038,989,967.66
  5. Step 5: Solve for x
    x = 33,038,989,967.66/209,674.59
  6. Step 6: Final answer
    x = 157,572.69

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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.