Home / 129,277.03-193,915.57-40,537.38

Finding the Fourth Proportional to 129,277.03, 193,915.57 and 40,537.38

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Solution

The fourth proportional to 129,277.03, 193,915.57 and 40,537.38 is: 60,806.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,277.03 : 193,915.57 = 40,537.38 : x
  2. Step 2: Convert to fraction form
    129,277.03/193,915.57 = 40,537.38/x
  3. Step 3: Cross multiply
    129,277.03x = 193,915.57 × 40,537.38
  4. Step 4: Simplify right side
    129,277.03x = 7,860,829,149.01
  5. Step 5: Solve for x
    x = 7,860,829,149.01/129,277.03
  6. Step 6: Final answer
    x = 60,806.08

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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.