Home / 205,394.78-283,416.90-114,739.58

Finding the Fourth Proportional to 205,394.78, 283,416.90 and 114,739.58

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Solution

The fourth proportional to 205,394.78, 283,416.90 and 114,739.58 is: 158,325.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,394.78 : 283,416.90 = 114,739.58 : x
  2. Step 2: Convert to fraction form
    205,394.78/283,416.90 = 114,739.58/x
  3. Step 3: Cross multiply
    205,394.78x = 283,416.90 × 114,739.58
  4. Step 4: Simplify right side
    205,394.78x = 32,519,136,070.90
  5. Step 5: Solve for x
    x = 32,519,136,070.90/205,394.78
  6. Step 6: Final answer
    x = 158,325.04

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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.