Home / 293,647.41-405,199.26-172,762.20

Finding the Fourth Proportional to 293,647.41, 405,199.26 and 172,762.20

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Solution

The fourth proportional to 293,647.41, 405,199.26 and 172,762.20 is: 238,391.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,647.41 : 405,199.26 = 172,762.20 : x
  2. Step 2: Convert to fraction form
    293,647.41/405,199.26 = 172,762.20/x
  3. Step 3: Cross multiply
    293,647.41x = 405,199.26 × 172,762.20
  4. Step 4: Simplify right side
    293,647.41x = 70,003,115,595.97
  5. Step 5: Solve for x
    x = 70,003,115,595.97/293,647.41
  6. Step 6: Final answer
    x = 238,391.74

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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.