Home / 166,073.24-229,078.78-118,342.01

Finding the Fourth Proportional to 166,073.24, 229,078.78 and 118,342.01

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Solution

The fourth proportional to 166,073.24, 229,078.78 and 118,342.01 is: 163,239.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,073.24 : 229,078.78 = 118,342.01 : x
  2. Step 2: Convert to fraction form
    166,073.24/229,078.78 = 118,342.01/x
  3. Step 3: Cross multiply
    166,073.24x = 229,078.78 × 118,342.01
  4. Step 4: Simplify right side
    166,073.24x = 27,109,641,832.30
  5. Step 5: Solve for x
    x = 27,109,641,832.30/166,073.24
  6. Step 6: Final answer
    x = 163,239.08

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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.