Home / 122,516.25-183,726.78-47,626.48

Finding the Fourth Proportional to 122,516.25, 183,726.78 and 47,626.48

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Solution

The fourth proportional to 122,516.25, 183,726.78 and 47,626.48 is: 71,421.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,516.25 : 183,726.78 = 47,626.48 : x
  2. Step 2: Convert to fraction form
    122,516.25/183,726.78 = 47,626.48/x
  3. Step 3: Cross multiply
    122,516.25x = 183,726.78 × 47,626.48
  4. Step 4: Simplify right side
    122,516.25x = 8,750,259,813.13
  5. Step 5: Solve for x
    x = 8,750,259,813.13/122,516.25
  6. Step 6: Final answer
    x = 71,421.22

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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.