Home / 185,431.12-279,536.49-173,072.22

Finding the Fourth Proportional to 185,431.12, 279,536.49 and 173,072.22

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Solution

The fourth proportional to 185,431.12, 279,536.49 and 173,072.22 is: 260,905.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,431.12 : 279,536.49 = 173,072.22 : x
  2. Step 2: Convert to fraction form
    185,431.12/279,536.49 = 173,072.22/x
  3. Step 3: Cross multiply
    185,431.12x = 279,536.49 × 173,072.22
  4. Step 4: Simplify right side
    185,431.12x = 48,379,999,847.05
  5. Step 5: Solve for x
    x = 48,379,999,847.05/185,431.12
  6. Step 6: Final answer
    x = 260,905.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.