Home / 165,968.20-229,056.72-101,424.16

Finding the Fourth Proportional to 165,968.20, 229,056.72 and 101,424.16

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Solution

The fourth proportional to 165,968.20, 229,056.72 and 101,424.16 is: 139,977.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,968.20 : 229,056.72 = 101,424.16 : x
  2. Step 2: Convert to fraction form
    165,968.20/229,056.72 = 101,424.16/x
  3. Step 3: Cross multiply
    165,968.20x = 229,056.72 × 101,424.16
  4. Step 4: Simplify right side
    165,968.20x = 23,231,885,418.36
  5. Step 5: Solve for x
    x = 23,231,885,418.36/165,968.20
  6. Step 6: Final answer
    x = 139,977.93

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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.