Home / 209,606.10-289,246.85-114,112.57

Finding the Fourth Proportional to 209,606.10, 289,246.85 and 114,112.57

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Solution

The fourth proportional to 209,606.10, 289,246.85 and 114,112.57 is: 157,470.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,606.10 : 289,246.85 = 114,112.57 : x
  2. Step 2: Convert to fraction form
    209,606.10/289,246.85 = 114,112.57/x
  3. Step 3: Cross multiply
    209,606.10x = 289,246.85 × 114,112.57
  4. Step 4: Simplify right side
    209,606.10x = 33,006,699,971.67
  5. Step 5: Solve for x
    x = 33,006,699,971.67/209,606.10
  6. Step 6: Final answer
    x = 157,470.13

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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.