Home / 132,950.43-199,259.33-66,409.13

Finding the Fourth Proportional to 132,950.43, 199,259.33 and 66,409.13

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Solution

The fourth proportional to 132,950.43, 199,259.33 and 66,409.13 is: 99,530.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,950.43 : 199,259.33 = 66,409.13 : x
  2. Step 2: Convert to fraction form
    132,950.43/199,259.33 = 66,409.13/x
  3. Step 3: Cross multiply
    132,950.43x = 199,259.33 × 66,409.13
  4. Step 4: Simplify right side
    132,950.43x = 13,232,638,749.68
  5. Step 5: Solve for x
    x = 13,232,638,749.68/132,950.43
  6. Step 6: Final answer
    x = 99,530.62

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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.