Home / 210,001.76-314,975.82-67,832.26

Finding the Fourth Proportional to 210,001.76, 314,975.82 and 67,832.26

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Solution

The fourth proportional to 210,001.76, 314,975.82 and 67,832.26 is: 101,739.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,001.76 : 314,975.82 = 67,832.26 : x
  2. Step 2: Convert to fraction form
    210,001.76/314,975.82 = 67,832.26/x
  3. Step 3: Cross multiply
    210,001.76x = 314,975.82 × 67,832.26
  4. Step 4: Simplify right side
    210,001.76x = 21,365,521,496.42
  5. Step 5: Solve for x
    x = 21,365,521,496.42/210,001.76
  6. Step 6: Final answer
    x = 101,739.72

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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.