Home / 188,079.07-259,549.12-107,508.34

Finding the Fourth Proportional to 188,079.07, 259,549.12 and 107,508.34

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Solution

The fourth proportional to 188,079.07, 259,549.12 and 107,508.34 is: 148,361.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,079.07 : 259,549.12 = 107,508.34 : x
  2. Step 2: Convert to fraction form
    188,079.07/259,549.12 = 107,508.34/x
  3. Step 3: Cross multiply
    188,079.07x = 259,549.12 × 107,508.34
  4. Step 4: Simplify right side
    188,079.07x = 27,903,695,498.48
  5. Step 5: Solve for x
    x = 27,903,695,498.48/188,079.07
  6. Step 6: Final answer
    x = 148,361.51

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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.