Home / 129,276.03-193,914.07-40,536.38

Finding the Fourth Proportional to 129,276.03, 193,914.07 and 40,536.38

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Solution

The fourth proportional to 129,276.03, 193,914.07 and 40,536.38 is: 60,804.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,276.03 : 193,914.07 = 40,536.38 : x
  2. Step 2: Convert to fraction form
    129,276.03/193,914.07 = 40,536.38/x
  3. Step 3: Cross multiply
    129,276.03x = 193,914.07 × 40,536.38
  4. Step 4: Simplify right side
    129,276.03x = 7,860,574,812.31
  5. Step 5: Solve for x
    x = 7,860,574,812.31/129,276.03
  6. Step 6: Final answer
    x = 60,804.58

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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.