Home / 209,828.36-289,562.69-114,334.83

Finding the Fourth Proportional to 209,828.36, 289,562.69 and 114,334.83

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Solution

The fourth proportional to 209,828.36, 289,562.69 and 114,334.83 is: 157,781.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,828.36 : 289,562.69 = 114,334.83 : x
  2. Step 2: Convert to fraction form
    209,828.36/289,562.69 = 114,334.83/x
  3. Step 3: Cross multiply
    209,828.36x = 289,562.69 × 114,334.83
  4. Step 4: Simplify right side
    209,828.36x = 33,107,100,363.82
  5. Step 5: Solve for x
    x = 33,107,100,363.82/209,828.36
  6. Step 6: Final answer
    x = 157,781.82

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1.5x scale

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.