Home / 252,088.83-378,002.03-74,571.86

Finding the Fourth Proportional to 252,088.83, 378,002.03 and 74,571.86

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Solution

The fourth proportional to 252,088.83, 378,002.03 and 74,571.86 is: 111,818.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,088.83 : 378,002.03 = 74,571.86 : x
  2. Step 2: Convert to fraction form
    252,088.83/378,002.03 = 74,571.86/x
  3. Step 3: Cross multiply
    252,088.83x = 378,002.03 × 74,571.86
  4. Step 4: Simplify right side
    252,088.83x = 28,188,315,033.02
  5. Step 5: Solve for x
    x = 28,188,315,033.02/252,088.83
  6. Step 6: Final answer
    x = 111,818.98

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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.