Home / 208,933.60-313,573.20-96,786.40

Finding the Fourth Proportional to 208,933.60, 313,573.20 and 96,786.40

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Solution

The fourth proportional to 208,933.60, 313,573.20 and 96,786.40 is: 145,259.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,933.60 : 313,573.20 = 96,786.40 : x
  2. Step 2: Convert to fraction form
    208,933.60/313,573.20 = 96,786.40/x
  3. Step 3: Cross multiply
    208,933.60x = 313,573.20 × 96,786.40
  4. Step 4: Simplify right side
    208,933.60x = 30,349,621,164.48
  5. Step 5: Solve for x
    x = 30,349,621,164.48/208,933.60
  6. Step 6: Final answer
    x = 145,259.65

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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.