Home / 161,536.47-242,321.27-61,780.57

Finding the Fourth Proportional to 161,536.47, 242,321.27 and 61,780.57

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Solution

The fourth proportional to 161,536.47, 242,321.27 and 61,780.57 is: 92,677.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,536.47 : 242,321.27 = 61,780.57 : x
  2. Step 2: Convert to fraction form
    161,536.47/242,321.27 = 61,780.57/x
  3. Step 3: Cross multiply
    161,536.47x = 242,321.27 × 61,780.57
  4. Step 4: Simplify right side
    161,536.47x = 14,970,745,732.37
  5. Step 5: Solve for x
    x = 14,970,745,732.37/161,536.47
  6. Step 6: Final answer
    x = 92,677.19

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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.