Home / 366,215.09-549,359.26-126,297.39

Finding the Fourth Proportional to 366,215.09, 549,359.26 and 126,297.39

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Solution

The fourth proportional to 366,215.09, 549,359.26 and 126,297.39 is: 189,458.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,215.09 : 549,359.26 = 126,297.39 : x
  2. Step 2: Convert to fraction form
    366,215.09/549,359.26 = 126,297.39/x
  3. Step 3: Cross multiply
    366,215.09x = 549,359.26 × 126,297.39
  4. Step 4: Simplify right side
    366,215.09x = 69,382,641,451.83
  5. Step 5: Solve for x
    x = 69,382,641,451.83/366,215.09
  6. Step 6: Final answer
    x = 189,458.72

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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.