Home / 183,788.06-253,633.21-103,217.31

Finding the Fourth Proportional to 183,788.06, 253,633.21 and 103,217.31

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Solution

The fourth proportional to 183,788.06, 253,633.21 and 103,217.31 is: 142,443.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,788.06 : 253,633.21 = 103,217.31 : x
  2. Step 2: Convert to fraction form
    183,788.06/253,633.21 = 103,217.31/x
  3. Step 3: Cross multiply
    183,788.06x = 253,633.21 × 103,217.31
  4. Step 4: Simplify right side
    183,788.06x = 26,179,337,404.82
  5. Step 5: Solve for x
    x = 26,179,337,404.82/183,788.06
  6. Step 6: Final answer
    x = 142,443.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.