Home / 122,139.29-183,179.48-51,023.52

Finding the Fourth Proportional to 122,139.29, 183,179.48 and 51,023.52

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Solution

The fourth proportional to 122,139.29, 183,179.48 and 51,023.52 is: 76,522.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,139.29 : 183,179.48 = 51,023.52 : x
  2. Step 2: Convert to fraction form
    122,139.29/183,179.48 = 51,023.52/x
  3. Step 3: Cross multiply
    122,139.29x = 183,179.48 × 51,023.52
  4. Step 4: Simplify right side
    122,139.29x = 9,346,461,606.25
  5. Step 5: Solve for x
    x = 9,346,461,606.25/122,139.29
  6. Step 6: Final answer
    x = 76,522.97

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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.