Home / 292,540.23-438,864.62-92,806.65

Finding the Fourth Proportional to 292,540.23, 438,864.62 and 92,806.65

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Solution

The fourth proportional to 292,540.23, 438,864.62 and 92,806.65 is: 139,227.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,540.23 : 438,864.62 = 92,806.65 : x
  2. Step 2: Convert to fraction form
    292,540.23/438,864.62 = 92,806.65/x
  3. Step 3: Cross multiply
    292,540.23x = 438,864.62 × 92,806.65
  4. Step 4: Simplify right side
    292,540.23x = 40,729,554,721.69
  5. Step 5: Solve for x
    x = 40,729,554,721.69/292,540.23
  6. Step 6: Final answer
    x = 139,227.19

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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.