Home / 351,308.39-526,639.67-126,613.83

Finding the Fourth Proportional to 351,308.39, 526,639.67 and 126,613.83

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Solution

The fourth proportional to 351,308.39, 526,639.67 and 126,613.83 is: 189,804.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,308.39 : 526,639.67 = 126,613.83 : x
  2. Step 2: Convert to fraction form
    351,308.39/526,639.67 = 126,613.83/x
  3. Step 3: Cross multiply
    351,308.39x = 526,639.67 × 126,613.83
  4. Step 4: Simplify right side
    351,308.39x = 66,679,865,015.57
  5. Step 5: Solve for x
    x = 66,679,865,015.57/351,308.39
  6. Step 6: Final answer
    x = 189,804.37

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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.