Home / 161,941.83-223,310.16-139,357.41

Finding the Fourth Proportional to 161,941.83, 223,310.16 and 139,357.41

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Solution

The fourth proportional to 161,941.83, 223,310.16 and 139,357.41 is: 192,167.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,941.83 : 223,310.16 = 139,357.41 : x
  2. Step 2: Convert to fraction form
    161,941.83/223,310.16 = 139,357.41/x
  3. Step 3: Cross multiply
    161,941.83x = 223,310.16 × 139,357.41
  4. Step 4: Simplify right side
    161,941.83x = 31,119,925,524.29
  5. Step 5: Solve for x
    x = 31,119,925,524.29/161,941.83
  6. Step 6: Final answer
    x = 192,167.31

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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.