Home / 122,168.03-183,124.16-51,131.36

Finding the Fourth Proportional to 122,168.03, 183,124.16 and 51,131.36

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Solution

The fourth proportional to 122,168.03, 183,124.16 and 51,131.36 is: 76,643.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,168.03 : 183,124.16 = 51,131.36 : x
  2. Step 2: Convert to fraction form
    122,168.03/183,124.16 = 51,131.36/x
  3. Step 3: Cross multiply
    122,168.03x = 183,124.16 × 51,131.36
  4. Step 4: Simplify right side
    122,168.03x = 9,363,387,743.55
  5. Step 5: Solve for x
    x = 9,363,387,743.55/122,168.03
  6. Step 6: Final answer
    x = 76,643.52

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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.