Home / 291,623.80-437,435.70-173,234.20

Finding the Fourth Proportional to 291,623.80, 437,435.70 and 173,234.20

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Solution

The fourth proportional to 291,623.80, 437,435.70 and 173,234.20 is: 259,851.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,623.80 : 437,435.70 = 173,234.20 : x
  2. Step 2: Convert to fraction form
    291,623.80/437,435.70 = 173,234.20/x
  3. Step 3: Cross multiply
    291,623.80x = 437,435.70 × 173,234.20
  4. Step 4: Simplify right side
    291,623.80x = 75,778,823,540.94
  5. Step 5: Solve for x
    x = 75,778,823,540.94/291,623.80
  6. Step 6: Final answer
    x = 259,851.30

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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.