Home / 251,880.24-377,861.34-74,405.16

Finding the Fourth Proportional to 251,880.24, 377,861.34 and 74,405.16

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Solution

The fourth proportional to 251,880.24, 377,861.34 and 74,405.16 is: 111,619.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,880.24 : 377,861.34 = 74,405.16 : x
  2. Step 2: Convert to fraction form
    251,880.24/377,861.34 = 74,405.16/x
  3. Step 3: Cross multiply
    251,880.24x = 377,861.34 × 74,405.16
  4. Step 4: Simplify right side
    251,880.24x = 28,114,833,460.51
  5. Step 5: Solve for x
    x = 28,114,833,460.51/251,880.24
  6. Step 6: Final answer
    x = 111,619.85

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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.