Home / 135,243.54-202,883.76-56,339.30

Finding the Fourth Proportional to 135,243.54, 202,883.76 and 56,339.30

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Solution

The fourth proportional to 135,243.54, 202,883.76 and 56,339.30 is: 84,516.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,243.54 : 202,883.76 = 56,339.30 : x
  2. Step 2: Convert to fraction form
    135,243.54/202,883.76 = 56,339.30/x
  3. Step 3: Cross multiply
    135,243.54x = 202,883.76 × 56,339.30
  4. Step 4: Simplify right side
    135,243.54x = 11,430,329,019.77
  5. Step 5: Solve for x
    x = 11,430,329,019.77/135,243.54
  6. Step 6: Final answer
    x = 84,516.64

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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.