Home / 286,451.48-395,314.26-195,997.16

Finding the Fourth Proportional to 286,451.48, 395,314.26 and 195,997.16

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Solution

The fourth proportional to 286,451.48, 395,314.26 and 195,997.16 is: 270,483.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,451.48 : 395,314.26 = 195,997.16 : x
  2. Step 2: Convert to fraction form
    286,451.48/395,314.26 = 195,997.16/x
  3. Step 3: Cross multiply
    286,451.48x = 395,314.26 × 195,997.16
  4. Step 4: Simplify right side
    286,451.48x = 77,480,472,267.50
  5. Step 5: Solve for x
    x = 77,480,472,267.50/286,451.48
  6. Step 6: Final answer
    x = 270,483.76

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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.