Home / 161,534.22-242,317.90-61,778.32

Finding the Fourth Proportional to 161,534.22, 242,317.90 and 61,778.32

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Solution

The fourth proportional to 161,534.22, 242,317.90 and 61,778.32 is: 92,673.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,534.22 : 242,317.90 = 61,778.32 : x
  2. Step 2: Convert to fraction form
    161,534.22/242,317.90 = 61,778.32/x
  3. Step 3: Cross multiply
    161,534.22x = 242,317.90 × 61,778.32
  4. Step 4: Simplify right side
    161,534.22x = 14,969,992,007.69
  5. Step 5: Solve for x
    x = 14,969,992,007.69/161,534.22
  6. Step 6: Final answer
    x = 92,673.81

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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.