Home / 260,816.06-391,177.84-118,628.12

Finding the Fourth Proportional to 260,816.06, 391,177.84 and 118,628.12

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Solution

The fourth proportional to 260,816.06, 391,177.84 and 118,628.12 is: 177,921.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,816.06 : 391,177.84 = 118,628.12 : x
  2. Step 2: Convert to fraction form
    260,816.06/391,177.84 = 118,628.12/x
  3. Step 3: Cross multiply
    260,816.06x = 391,177.84 × 118,628.12
  4. Step 4: Simplify right side
    260,816.06x = 46,404,691,744.86
  5. Step 5: Solve for x
    x = 46,404,691,744.86/260,816.06
  6. Step 6: Final answer
    x = 177,921.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.