Home / 251,168.20-376,709.10-93,315.40

Finding the Fourth Proportional to 251,168.20, 376,709.10 and 93,315.40

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Solution

The fourth proportional to 251,168.20, 376,709.10 and 93,315.40 is: 139,957.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,168.20 : 376,709.10 = 93,315.40 : x
  2. Step 2: Convert to fraction form
    251,168.20/376,709.10 = 93,315.40/x
  3. Step 3: Cross multiply
    251,168.20x = 376,709.10 × 93,315.40
  4. Step 4: Simplify right side
    251,168.20x = 35,152,760,350.14
  5. Step 5: Solve for x
    x = 35,152,760,350.14/251,168.20
  6. Step 6: Final answer
    x = 139,957.05

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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.