Home / 188,110.12-259,599.45-103,230.22

Finding the Fourth Proportional to 188,110.12, 259,599.45 and 103,230.22

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Solution

The fourth proportional to 188,110.12, 259,599.45 and 103,230.22 is: 142,461.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,110.12 : 259,599.45 = 103,230.22 : x
  2. Step 2: Convert to fraction form
    188,110.12/259,599.45 = 103,230.22/x
  3. Step 3: Cross multiply
    188,110.12x = 259,599.45 × 103,230.22
  4. Step 4: Simplify right side
    188,110.12x = 26,798,508,335.38
  5. Step 5: Solve for x
    x = 26,798,508,335.38/188,110.12
  6. Step 6: Final answer
    x = 142,461.81

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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.