Home / 188,079.29-259,549.38-107,508.54

Finding the Fourth Proportional to 188,079.29, 259,549.38 and 107,508.54

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Solution

The fourth proportional to 188,079.29, 259,549.38 and 107,508.54 is: 148,361.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,079.29 : 259,549.38 = 107,508.54 : x
  2. Step 2: Convert to fraction form
    188,079.29/259,549.38 = 107,508.54/x
  3. Step 3: Cross multiply
    188,079.29x = 259,549.38 × 107,508.54
  4. Step 4: Simplify right side
    188,079.29x = 27,903,774,901.71
  5. Step 5: Solve for x
    x = 27,903,774,901.71/188,079.29
  6. Step 6: Final answer
    x = 148,361.77

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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.