Home / 188,054.48-259,522.44-103,175.12

Finding the Fourth Proportional to 188,054.48, 259,522.44 and 103,175.12

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Solution

The fourth proportional to 188,054.48, 259,522.44 and 103,175.12 is: 142,385.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,054.48 : 259,522.44 = 103,175.12 : x
  2. Step 2: Convert to fraction form
    188,054.48/259,522.44 = 103,175.12/x
  3. Step 3: Cross multiply
    188,054.48x = 259,522.44 × 103,175.12
  4. Step 4: Simplify right side
    188,054.48x = 26,776,258,889.69
  5. Step 5: Solve for x
    x = 26,776,258,889.69/188,054.48
  6. Step 6: Final answer
    x = 142,385.65

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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.