Home / 317,760.26-438,572.80-188,770.38

Finding the Fourth Proportional to 317,760.26, 438,572.80 and 188,770.38

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Solution

The fourth proportional to 317,760.26, 438,572.80 and 188,770.38 is: 260,540.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,760.26 : 438,572.80 = 188,770.38 : x
  2. Step 2: Convert to fraction form
    317,760.26/438,572.80 = 188,770.38/x
  3. Step 3: Cross multiply
    317,760.26x = 438,572.80 × 188,770.38
  4. Step 4: Simplify right side
    317,760.26x = 82,789,553,641.74
  5. Step 5: Solve for x
    x = 82,789,553,641.74/317,760.26
  6. Step 6: Final answer
    x = 260,540.93

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1.5x scale

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.