Home / 283,621.32-425,399.04-73,242.72

Finding the Fourth Proportional to 283,621.32, 425,399.04 and 73,242.72

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Solution

The fourth proportional to 283,621.32, 425,399.04 and 73,242.72 is: 109,855.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,621.32 : 425,399.04 = 73,242.72 : x
  2. Step 2: Convert to fraction form
    283,621.32/425,399.04 = 73,242.72/x
  3. Step 3: Cross multiply
    283,621.32x = 425,399.04 × 73,242.72
  4. Step 4: Simplify right side
    283,621.32x = 31,157,382,774.99
  5. Step 5: Solve for x
    x = 31,157,382,774.99/283,621.32
  6. Step 6: Final answer
    x = 109,855.57

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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.