Home / 116,815.22-161,205.07-63,100.24

Finding the Fourth Proportional to 116,815.22, 161,205.07 and 63,100.24

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Solution

The fourth proportional to 116,815.22, 161,205.07 and 63,100.24 is: 87,078.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,815.22 : 161,205.07 = 63,100.24 : x
  2. Step 2: Convert to fraction form
    116,815.22/161,205.07 = 63,100.24/x
  3. Step 3: Cross multiply
    116,815.22x = 161,205.07 × 63,100.24
  4. Step 4: Simplify right side
    116,815.22x = 10,172,078,606.22
  5. Step 5: Solve for x
    x = 10,172,078,606.22/116,815.22
  6. Step 6: Final answer
    x = 87,078.37

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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.