Home / 188,126.16-259,540.20-107,510.44

Finding the Fourth Proportional to 188,126.16, 259,540.20 and 107,510.44

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Solution

The fourth proportional to 188,126.16, 259,540.20 and 107,510.44 is: 148,322.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,126.16 : 259,540.20 = 107,510.44 : x
  2. Step 2: Convert to fraction form
    188,126.16/259,540.20 = 107,510.44/x
  3. Step 3: Cross multiply
    188,126.16x = 259,540.20 × 107,510.44
  4. Step 4: Simplify right side
    188,126.16x = 27,903,281,099.69
  5. Step 5: Solve for x
    x = 27,903,281,099.69/188,126.16
  6. Step 6: Final answer
    x = 148,322.17

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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.