Home / 264,865.23-397,346.72-87,384.51

Finding the Fourth Proportional to 264,865.23, 397,346.72 and 87,384.51

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Solution

The fourth proportional to 264,865.23, 397,346.72 and 87,384.51 is: 131,092.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,865.23 : 397,346.72 = 87,384.51 : x
  2. Step 2: Convert to fraction form
    264,865.23/397,346.72 = 87,384.51/x
  3. Step 3: Cross multiply
    264,865.23x = 397,346.72 × 87,384.51
  4. Step 4: Simplify right side
    264,865.23x = 34,721,947,990.38
  5. Step 5: Solve for x
    x = 34,721,947,990.38/264,865.23
  6. Step 6: Final answer
    x = 131,092.89

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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.