Home / 356,917.07-492,559.35-195,778.91

Finding the Fourth Proportional to 356,917.07, 492,559.35 and 195,778.91

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Solution

The fourth proportional to 356,917.07, 492,559.35 and 195,778.91 is: 270,182.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,917.07 : 492,559.35 = 195,778.91 : x
  2. Step 2: Convert to fraction form
    356,917.07/492,559.35 = 195,778.91/x
  3. Step 3: Cross multiply
    356,917.07x = 492,559.35 × 195,778.91
  4. Step 4: Simplify right side
    356,917.07x = 96,432,733,150.54
  5. Step 5: Solve for x
    x = 96,432,733,150.54/356,917.07
  6. Step 6: Final answer
    x = 270,182.46

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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.