Home / 264,821.40-397,244.25-87,343.92

Finding the Fourth Proportional to 264,821.40, 397,244.25 and 87,343.92

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Solution

The fourth proportional to 264,821.40, 397,244.25 and 87,343.92 is: 131,019.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,821.40 : 397,244.25 = 87,343.92 : x
  2. Step 2: Convert to fraction form
    264,821.40/397,244.25 = 87,343.92/x
  3. Step 3: Cross multiply
    264,821.40x = 397,244.25 × 87,343.92
  4. Step 4: Simplify right side
    264,821.40x = 34,696,869,992.46
  5. Step 5: Solve for x
    x = 34,696,869,992.46/264,821.40
  6. Step 6: Final answer
    x = 131,019.89

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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.