Home / 146,338.88-219,357.64-57,556.40

Finding the Fourth Proportional to 146,338.88, 219,357.64 and 57,556.40

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Solution

The fourth proportional to 146,338.88, 219,357.64 and 57,556.40 is: 86,275.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,338.88 : 219,357.64 = 57,556.40 : x
  2. Step 2: Convert to fraction form
    146,338.88/219,357.64 = 57,556.40/x
  3. Step 3: Cross multiply
    146,338.88x = 219,357.64 × 57,556.40
  4. Step 4: Simplify right side
    146,338.88x = 12,625,436,070.90
  5. Step 5: Solve for x
    x = 12,625,436,070.90/146,338.88
  6. Step 6: Final answer
    x = 86,275.34

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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.