Home / 174,455.20-261,026.70-115,406.20

Finding the Fourth Proportional to 174,455.20, 261,026.70 and 115,406.20

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Solution

The fourth proportional to 174,455.20, 261,026.70 and 115,406.20 is: 172,675.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,455.20 : 261,026.70 = 115,406.20 : x
  2. Step 2: Convert to fraction form
    174,455.20/261,026.70 = 115,406.20/x
  3. Step 3: Cross multiply
    174,455.20x = 261,026.70 × 115,406.20
  4. Step 4: Simplify right side
    174,455.20x = 30,124,099,545.54
  5. Step 5: Solve for x
    x = 30,124,099,545.54/174,455.20
  6. Step 6: Final answer
    x = 172,675.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.