Home / 132,911.82-199,400.52-39,417.57

Finding the Fourth Proportional to 132,911.82, 199,400.52 and 39,417.57

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Solution

The fourth proportional to 132,911.82, 199,400.52 and 39,417.57 is: 59,136.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,911.82 : 199,400.52 = 39,417.57 : x
  2. Step 2: Convert to fraction form
    132,911.82/199,400.52 = 39,417.57/x
  3. Step 3: Cross multiply
    132,911.82x = 199,400.52 × 39,417.57
  4. Step 4: Simplify right side
    132,911.82x = 7,859,883,955.14
  5. Step 5: Solve for x
    x = 7,859,883,955.14/132,911.82
  6. Step 6: Final answer
    x = 59,136.08

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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.