Home / 289,091.23-399,026.66-168,255.83

Finding the Fourth Proportional to 289,091.23, 399,026.66 and 168,255.83

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Solution

The fourth proportional to 289,091.23, 399,026.66 and 168,255.83 is: 232,240.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,091.23 : 399,026.66 = 168,255.83 : x
  2. Step 2: Convert to fraction form
    289,091.23/399,026.66 = 168,255.83/x
  3. Step 3: Cross multiply
    289,091.23x = 399,026.66 × 168,255.83
  4. Step 4: Simplify right side
    289,091.23x = 67,138,562,026.72
  5. Step 5: Solve for x
    x = 67,138,562,026.72/289,091.23
  6. Step 6: Final answer
    x = 232,240.05

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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.