Home / 210,677.49-316,013.06-68,529.24

Finding the Fourth Proportional to 210,677.49, 316,013.06 and 68,529.24

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Solution

The fourth proportional to 210,677.49, 316,013.06 and 68,529.24 is: 102,792.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,677.49 : 316,013.06 = 68,529.24 : x
  2. Step 2: Convert to fraction form
    210,677.49/316,013.06 = 68,529.24/x
  3. Step 3: Cross multiply
    210,677.49x = 316,013.06 × 68,529.24
  4. Step 4: Simplify right side
    210,677.49x = 21,656,135,003.20
  5. Step 5: Solve for x
    x = 21,656,135,003.20/210,677.49
  6. Step 6: Final answer
    x = 102,792.83

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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.