Home / 106,418.34-159,385.86-82,534.14

Finding the Fourth Proportional to 106,418.34, 159,385.86 and 82,534.14

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Solution

The fourth proportional to 106,418.34, 159,385.86 and 82,534.14 is: 123,613.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,418.34 : 159,385.86 = 82,534.14 : x
  2. Step 2: Convert to fraction form
    106,418.34/159,385.86 = 82,534.14/x
  3. Step 3: Cross multiply
    106,418.34x = 159,385.86 × 82,534.14
  4. Step 4: Simplify right side
    106,418.34x = 13,154,774,883.26
  5. Step 5: Solve for x
    x = 13,154,774,883.26/106,418.34
  6. Step 6: Final answer
    x = 123,613.80

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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.