Home / 192,167.10-265,215.06-111,578.58

Finding the Fourth Proportional to 192,167.10, 265,215.06 and 111,578.58

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Solution

The fourth proportional to 192,167.10, 265,215.06 and 111,578.58 is: 153,992.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,167.10 : 265,215.06 = 111,578.58 : x
  2. Step 2: Convert to fraction form
    192,167.10/265,215.06 = 111,578.58/x
  3. Step 3: Cross multiply
    192,167.10x = 265,215.06 × 111,578.58
  4. Step 4: Simplify right side
    192,167.10x = 29,592,319,789.41
  5. Step 5: Solve for x
    x = 29,592,319,789.41/192,167.10
  6. Step 6: Final answer
    x = 153,992.64

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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.