Home / 125,921.88-188,822.54-73,346.36

Finding the Fourth Proportional to 125,921.88, 188,822.54 and 73,346.36

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Solution

The fourth proportional to 125,921.88, 188,822.54 and 73,346.36 is: 109,984.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,921.88 : 188,822.54 = 73,346.36 : x
  2. Step 2: Convert to fraction form
    125,921.88/188,822.54 = 73,346.36/x
  3. Step 3: Cross multiply
    125,921.88x = 188,822.54 × 73,346.36
  4. Step 4: Simplify right side
    125,921.88x = 13,849,445,994.95
  5. Step 5: Solve for x
    x = 13,849,445,994.95/125,921.88
  6. Step 6: Final answer
    x = 109,984.43

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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.