Home / 204,778.45-282,531.64-118,720.26

Finding the Fourth Proportional to 204,778.45, 282,531.64 and 118,720.26

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Solution

The fourth proportional to 204,778.45, 282,531.64 and 118,720.26 is: 163,797.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,778.45 : 282,531.64 = 118,720.26 : x
  2. Step 2: Convert to fraction form
    204,778.45/282,531.64 = 118,720.26/x
  3. Step 3: Cross multiply
    204,778.45x = 282,531.64 × 118,720.26
  4. Step 4: Simplify right side
    204,778.45x = 33,542,227,752.77
  5. Step 5: Solve for x
    x = 33,542,227,752.77/204,778.45
  6. Step 6: Final answer
    x = 163,797.64

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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.