Home / 201,716.60-278,370.98-111,081.00

Finding the Fourth Proportional to 201,716.60, 278,370.98 and 111,081.00

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Solution

The fourth proportional to 201,716.60, 278,370.98 and 111,081.00 is: 153,292.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,716.60 : 278,370.98 = 111,081.00 : x
  2. Step 2: Convert to fraction form
    201,716.60/278,370.98 = 111,081.00/x
  3. Step 3: Cross multiply
    201,716.60x = 278,370.98 × 111,081.00
  4. Step 4: Simplify right side
    201,716.60x = 30,921,725,385.66
  5. Step 5: Solve for x
    x = 30,921,725,385.66/201,716.60
  6. Step 6: Final answer
    x = 153,292.91

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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.