Home / 264,864.23-397,345.22-87,383.51

Finding the Fourth Proportional to 264,864.23, 397,345.22 and 87,383.51

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Solution

The fourth proportional to 264,864.23, 397,345.22 and 87,383.51 is: 131,091.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,864.23 : 397,345.22 = 87,383.51 : x
  2. Step 2: Convert to fraction form
    264,864.23/397,345.22 = 87,383.51/x
  3. Step 3: Cross multiply
    264,864.23x = 397,345.22 × 87,383.51
  4. Step 4: Simplify right side
    264,864.23x = 34,721,420,005.32
  5. Step 5: Solve for x
    x = 34,721,420,005.32/264,864.23
  6. Step 6: Final answer
    x = 131,091.39

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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.