Home / 156,971.46-213,722.49-156,473.22

Finding the Fourth Proportional to 156,971.46, 213,722.49 and 156,473.22

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Solution

The fourth proportional to 156,971.46, 213,722.49 and 156,473.22 is: 213,044.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,971.46 : 213,722.49 = 156,473.22 : x
  2. Step 2: Convert to fraction form
    156,971.46/213,722.49 = 156,473.22/x
  3. Step 3: Cross multiply
    156,971.46x = 213,722.49 × 156,473.22
  4. Step 4: Simplify right side
    156,971.46x = 33,441,846,196.72
  5. Step 5: Solve for x
    x = 33,441,846,196.72/156,971.46
  6. Step 6: Final answer
    x = 213,044.12

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.