Home / 264,983.34-397,487.77-87,486.42

Finding the Fourth Proportional to 264,983.34, 397,487.77 and 87,486.42

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Solution

The fourth proportional to 264,983.34, 397,487.77 and 87,486.42 is: 131,233.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,983.34 : 397,487.77 = 87,486.42 : x
  2. Step 2: Convert to fraction form
    264,983.34/397,487.77 = 87,486.42/x
  3. Step 3: Cross multiply
    264,983.34x = 397,487.77 × 87,486.42
  4. Step 4: Simplify right side
    264,983.34x = 34,774,781,772.37
  5. Step 5: Solve for x
    x = 34,774,781,772.37/264,983.34
  6. Step 6: Final answer
    x = 131,233.84

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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.