Home / 320,936.42-442,899.18-175,748.33

Finding the Fourth Proportional to 320,936.42, 442,899.18 and 175,748.33

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Solution

The fourth proportional to 320,936.42, 442,899.18 and 175,748.33 is: 242,536.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,936.42 : 442,899.18 = 175,748.33 : x
  2. Step 2: Convert to fraction form
    320,936.42/442,899.18 = 175,748.33/x
  3. Step 3: Cross multiply
    320,936.42x = 442,899.18 × 175,748.33
  4. Step 4: Simplify right side
    320,936.42x = 77,838,791,243.37
  5. Step 5: Solve for x
    x = 77,838,791,243.37/320,936.42
  6. Step 6: Final answer
    x = 242,536.49

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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.