Home / 301,928.12-416,651.80-172,862.31

Finding the Fourth Proportional to 301,928.12, 416,651.80 and 172,862.31

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Solution

The fourth proportional to 301,928.12, 416,651.80 and 172,862.31 is: 238,544.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,928.12 : 416,651.80 = 172,862.31 : x
  2. Step 2: Convert to fraction form
    301,928.12/416,651.80 = 172,862.31/x
  3. Step 3: Cross multiply
    301,928.12x = 416,651.80 × 172,862.31
  4. Step 4: Simplify right side
    301,928.12x = 72,023,392,613.66
  5. Step 5: Solve for x
    x = 72,023,392,613.66/301,928.12
  6. Step 6: Final answer
    x = 238,544.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.