Home / 147,056.96-202,943.52-79,991.36

Finding the Fourth Proportional to 147,056.96, 202,943.52 and 79,991.36

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Solution

The fourth proportional to 147,056.96, 202,943.52 and 79,991.36 is: 110,390.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,056.96 : 202,943.52 = 79,991.36 : x
  2. Step 2: Convert to fraction form
    147,056.96/202,943.52 = 79,991.36/x
  3. Step 3: Cross multiply
    147,056.96x = 202,943.52 × 79,991.36
  4. Step 4: Simplify right side
    147,056.96x = 16,233,728,167.99
  5. Step 5: Solve for x
    x = 16,233,728,167.99/147,056.96
  6. Step 6: Final answer
    x = 110,390.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.