Home / 168,686.34-232,636.38-139,960.52

Finding the Fourth Proportional to 168,686.34, 232,636.38 and 139,960.52

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Solution

The fourth proportional to 168,686.34, 232,636.38 and 139,960.52 is: 193,020.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,686.34 : 232,636.38 = 139,960.52 : x
  2. Step 2: Convert to fraction form
    168,686.34/232,636.38 = 139,960.52/x
  3. Step 3: Cross multiply
    168,686.34x = 232,636.38 × 139,960.52
  4. Step 4: Simplify right side
    168,686.34x = 32,559,909,208.65
  5. Step 5: Solve for x
    x = 32,559,909,208.65/168,686.34
  6. Step 6: Final answer
    x = 193,020.43

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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.