Home / 168,590.36-232,687.92-100,573.30

Finding the Fourth Proportional to 168,590.36, 232,687.92 and 100,573.30

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Solution

The fourth proportional to 168,590.36, 232,687.92 and 100,573.30 is: 138,810.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,590.36 : 232,687.92 = 100,573.30 : x
  2. Step 2: Convert to fraction form
    168,590.36/232,687.92 = 100,573.30/x
  3. Step 3: Cross multiply
    168,590.36x = 232,687.92 × 100,573.30
  4. Step 4: Simplify right side
    168,590.36x = 23,402,190,495.09
  5. Step 5: Solve for x
    x = 23,402,190,495.09/168,590.36
  6. Step 6: Final answer
    x = 138,810.96

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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.