Home / 122,323.82-183,513.36-43,438.10

Finding the Fourth Proportional to 122,323.82, 183,513.36 and 43,438.10

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Solution

The fourth proportional to 122,323.82, 183,513.36 and 43,438.10 is: 65,166.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,323.82 : 183,513.36 = 43,438.10 : x
  2. Step 2: Convert to fraction form
    122,323.82/183,513.36 = 43,438.10/x
  3. Step 3: Cross multiply
    122,323.82x = 183,513.36 × 43,438.10
  4. Step 4: Simplify right side
    122,323.82x = 7,971,471,683.02
  5. Step 5: Solve for x
    x = 7,971,471,683.02/122,323.82
  6. Step 6: Final answer
    x = 65,166.96

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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.