Home / 210,999.03-316,526.34-68,794.37

Finding the Fourth Proportional to 210,999.03, 316,526.34 and 68,794.37

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Solution

The fourth proportional to 210,999.03, 316,526.34 and 68,794.37 is: 103,200.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,999.03 : 316,526.34 = 68,794.37 : x
  2. Step 2: Convert to fraction form
    210,999.03/316,526.34 = 68,794.37/x
  3. Step 3: Cross multiply
    210,999.03x = 316,526.34 × 68,794.37
  4. Step 4: Simplify right side
    210,999.03x = 21,775,228,222.10
  5. Step 5: Solve for x
    x = 21,775,228,222.10/210,999.03
  6. Step 6: Final answer
    x = 103,200.61

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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.