Home / 173,577.20-239,497.64-105,629.68

Finding the Fourth Proportional to 173,577.20, 239,497.64 and 105,629.68

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Solution

The fourth proportional to 173,577.20, 239,497.64 and 105,629.68 is: 145,745.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,577.20 : 239,497.64 = 105,629.68 : x
  2. Step 2: Convert to fraction form
    173,577.20/239,497.64 = 105,629.68/x
  3. Step 3: Cross multiply
    173,577.20x = 239,497.64 × 105,629.68
  4. Step 4: Simplify right side
    173,577.20x = 25,298,059,073.96
  5. Step 5: Solve for x
    x = 25,298,059,073.96/173,577.20
  6. Step 6: Final answer
    x = 145,745.29

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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.