Home / 286,819.34-395,894.13-191,325.81

Finding the Fourth Proportional to 286,819.34, 395,894.13 and 191,325.81

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Solution

The fourth proportional to 286,819.34, 395,894.13 and 191,325.81 is: 264,085.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,819.34 : 395,894.13 = 191,325.81 : x
  2. Step 2: Convert to fraction form
    286,819.34/395,894.13 = 191,325.81/x
  3. Step 3: Cross multiply
    286,819.34x = 395,894.13 × 191,325.81
  4. Step 4: Simplify right side
    286,819.34x = 75,744,762,160.40
  5. Step 5: Solve for x
    x = 75,744,762,160.40/286,819.34
  6. Step 6: Final answer
    x = 264,085.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.