Home / 175,859.28-242,722.44-161,689.68

Finding the Fourth Proportional to 175,859.28, 242,722.44 and 161,689.68

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Solution

The fourth proportional to 175,859.28, 242,722.44 and 161,689.68 is: 223,165.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,859.28 : 242,722.44 = 161,689.68 : x
  2. Step 2: Convert to fraction form
    175,859.28/242,722.44 = 161,689.68/x
  3. Step 3: Cross multiply
    175,859.28x = 242,722.44 × 161,689.68
  4. Step 4: Simplify right side
    175,859.28x = 39,245,713,652.42
  5. Step 5: Solve for x
    x = 39,245,713,652.42/175,859.28
  6. Step 6: Final answer
    x = 223,165.44

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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.