Home / 320,936.67-442,899.50-175,748.58

Finding the Fourth Proportional to 320,936.67, 442,899.50 and 175,748.58

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Solution

The fourth proportional to 320,936.67, 442,899.50 and 175,748.58 is: 242,536.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,936.67 : 442,899.50 = 175,748.58 : x
  2. Step 2: Convert to fraction form
    320,936.67/442,899.50 = 175,748.58/x
  3. Step 3: Cross multiply
    320,936.67x = 442,899.50 × 175,748.58
  4. Step 4: Simplify right side
    320,936.67x = 77,838,957,328.97
  5. Step 5: Solve for x
    x = 77,838,957,328.97/320,936.67
  6. Step 6: Final answer
    x = 242,536.81

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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.