Home / 246,630.09-369,957.89-78,168.31

Finding the Fourth Proportional to 246,630.09, 369,957.89 and 78,168.31

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Solution

The fourth proportional to 246,630.09, 369,957.89 and 78,168.31 is: 117,256.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,630.09 : 369,957.89 = 78,168.31 : x
  2. Step 2: Convert to fraction form
    246,630.09/369,957.89 = 78,168.31/x
  3. Step 3: Cross multiply
    246,630.09x = 369,957.89 × 78,168.31
  4. Step 4: Simplify right side
    246,630.09x = 28,918,983,032.47
  5. Step 5: Solve for x
    x = 28,918,983,032.47/246,630.09
  6. Step 6: Final answer
    x = 117,256.51

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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.