Home / 228,071.97-342,156.24-68,160.36

Finding the Fourth Proportional to 228,071.97, 342,156.24 and 68,160.36

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Solution

The fourth proportional to 228,071.97, 342,156.24 and 68,160.36 is: 102,254.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,071.97 : 342,156.24 = 68,160.36 : x
  2. Step 2: Convert to fraction form
    228,071.97/342,156.24 = 68,160.36/x
  3. Step 3: Cross multiply
    228,071.97x = 342,156.24 × 68,160.36
  4. Step 4: Simplify right side
    228,071.97x = 23,321,492,494.65
  5. Step 5: Solve for x
    x = 23,321,492,494.65/228,071.97
  6. Step 6: Final answer
    x = 102,254.97

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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.