Home / 179,223.07-268,835.36-72,609.10

Finding the Fourth Proportional to 179,223.07, 268,835.36 and 72,609.10

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Solution

The fourth proportional to 179,223.07, 268,835.36 and 72,609.10 is: 108,913.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,223.07 : 268,835.36 = 72,609.10 : x
  2. Step 2: Convert to fraction form
    179,223.07/268,835.36 = 72,609.10/x
  3. Step 3: Cross multiply
    179,223.07x = 268,835.36 × 72,609.10
  4. Step 4: Simplify right side
    179,223.07x = 19,519,893,537.78
  5. Step 5: Solve for x
    x = 19,519,893,537.78/179,223.07
  6. Step 6: Final answer
    x = 108,913.96

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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.