Home / 264,981.24-397,387.62-87,455.16

Finding the Fourth Proportional to 264,981.24, 397,387.62 and 87,455.16

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Solution

The fourth proportional to 264,981.24, 397,387.62 and 87,455.16 is: 131,154.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,981.24 : 397,387.62 = 87,455.16 : x
  2. Step 2: Convert to fraction form
    264,981.24/397,387.62 = 87,455.16/x
  3. Step 3: Cross multiply
    264,981.24x = 397,387.62 × 87,455.16
  4. Step 4: Simplify right side
    264,981.24x = 34,753,597,889.12
  5. Step 5: Solve for x
    x = 34,753,597,889.12/264,981.24
  6. Step 6: Final answer
    x = 131,154.94

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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.