Home / 230,485.38-344,191.49-218,675.58

Finding the Fourth Proportional to 230,485.38, 344,191.49 and 218,675.58

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Solution

The fourth proportional to 230,485.38, 344,191.49 and 218,675.58 is: 326,555.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,485.38 : 344,191.49 = 218,675.58 : x
  2. Step 2: Convert to fraction form
    230,485.38/344,191.49 = 218,675.58/x
  3. Step 3: Cross multiply
    230,485.38x = 344,191.49 × 218,675.58
  4. Step 4: Simplify right side
    230,485.38x = 75,266,272,613.44
  5. Step 5: Solve for x
    x = 75,266,272,613.44/230,485.38
  6. Step 6: Final answer
    x = 326,555.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.