Home / 172,583.24-238,118.34-100,980.92

Finding the Fourth Proportional to 172,583.24, 238,118.34 and 100,980.92

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Solution

The fourth proportional to 172,583.24, 238,118.34 and 100,980.92 is: 139,326.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,583.24 : 238,118.34 = 100,980.92 : x
  2. Step 2: Convert to fraction form
    172,583.24/238,118.34 = 100,980.92/x
  3. Step 3: Cross multiply
    172,583.24x = 238,118.34 × 100,980.92
  4. Step 4: Simplify right side
    172,583.24x = 24,045,409,042.07
  5. Step 5: Solve for x
    x = 24,045,409,042.07/172,583.24
  6. Step 6: Final answer
    x = 139,326.44

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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.