Home / 192,529.26-288,720.18-66,146.04

Finding the Fourth Proportional to 192,529.26, 288,720.18 and 66,146.04

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Solution

The fourth proportional to 192,529.26, 288,720.18 and 66,146.04 is: 99,193.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,529.26 : 288,720.18 = 66,146.04 : x
  2. Step 2: Convert to fraction form
    192,529.26/288,720.18 = 66,146.04/x
  3. Step 3: Cross multiply
    192,529.26x = 288,720.18 × 66,146.04
  4. Step 4: Simplify right side
    192,529.26x = 19,097,696,575.09
  5. Step 5: Solve for x
    x = 19,097,696,575.09/192,529.26
  6. Step 6: Final answer
    x = 99,193.74

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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.