Home / 264,713.13-397,118.90-87,227.15

Finding the Fourth Proportional to 264,713.13, 397,118.90 and 87,227.15

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Solution

The fourth proportional to 264,713.13, 397,118.90 and 87,227.15 is: 130,856.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,713.13 : 397,118.90 = 87,227.15 : x
  2. Step 2: Convert to fraction form
    264,713.13/397,118.90 = 87,227.15/x
  3. Step 3: Cross multiply
    264,713.13x = 397,118.90 × 87,227.15
  4. Step 4: Simplify right side
    264,713.13x = 34,639,548,090.61
  5. Step 5: Solve for x
    x = 34,639,548,090.61/264,713.13
  6. Step 6: Final answer
    x = 130,856.93

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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.