Home / 292,654.57-438,982.04-82,292.51

Finding the Fourth Proportional to 292,654.57, 438,982.04 and 82,292.51

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Solution

The fourth proportional to 292,654.57, 438,982.04 and 82,292.51 is: 123,438.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,654.57 : 438,982.04 = 82,292.51 : x
  2. Step 2: Convert to fraction form
    292,654.57/438,982.04 = 82,292.51/x
  3. Step 3: Cross multiply
    292,654.57x = 438,982.04 × 82,292.51
  4. Step 4: Simplify right side
    292,654.57x = 36,124,933,916.52
  5. Step 5: Solve for x
    x = 36,124,933,916.52/292,654.57
  6. Step 6: Final answer
    x = 123,438.82

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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.