Home / 135,247.49-202,739.40-56,384.27

Finding the Fourth Proportional to 135,247.49, 202,739.40 and 56,384.27

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Solution

The fourth proportional to 135,247.49, 202,739.40 and 56,384.27 is: 84,521.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,247.49 : 202,739.40 = 56,384.27 : x
  2. Step 2: Convert to fraction form
    135,247.49/202,739.40 = 56,384.27/x
  3. Step 3: Cross multiply
    135,247.49x = 202,739.40 × 56,384.27
  4. Step 4: Simplify right side
    135,247.49x = 11,431,312,815.81
  5. Step 5: Solve for x
    x = 11,431,312,815.81/135,247.49
  6. Step 6: Final answer
    x = 84,521.44

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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.