Home / 188,277.92-259,825.21-103,395.59

Finding the Fourth Proportional to 188,277.92, 259,825.21 and 103,395.59

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Solution

The fourth proportional to 188,277.92, 259,825.21 and 103,395.59 is: 142,686.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,277.92 : 259,825.21 = 103,395.59 : x
  2. Step 2: Convert to fraction form
    188,277.92/259,825.21 = 103,395.59/x
  3. Step 3: Cross multiply
    188,277.92x = 259,825.21 × 103,395.59
  4. Step 4: Simplify right side
    188,277.92x = 26,864,779,327.21
  5. Step 5: Solve for x
    x = 26,864,779,327.21/188,277.92
  6. Step 6: Final answer
    x = 142,686.83

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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.