Home / 262,402.20-393,507-93,876.84

Finding the Fourth Proportional to 262,402.20, 393,507 and 93,876.84

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Solution

The fourth proportional to 262,402.20, 393,507 and 93,876.84 is: 140,780.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,402.20 : 393,507 = 93,876.84 : x
  2. Step 2: Convert to fraction form
    262,402.20/393,507 = 93,876.84/x
  3. Step 3: Cross multiply
    262,402.20x = 393,507 × 93,876.84
  4. Step 4: Simplify right side
    262,402.20x = 36,941,193,677.88
  5. Step 5: Solve for x
    x = 36,941,193,677.88/262,402.20
  6. Step 6: Final answer
    x = 140,780.81

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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.