Home / 131,291.12-180,725.64-114,494.96

Finding the Fourth Proportional to 131,291.12, 180,725.64 and 114,494.96

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Solution

The fourth proportional to 131,291.12, 180,725.64 and 114,494.96 is: 157,605.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,291.12 : 180,725.64 = 114,494.96 : x
  2. Step 2: Convert to fraction form
    131,291.12/180,725.64 = 114,494.96/x
  3. Step 3: Cross multiply
    131,291.12x = 180,725.64 × 114,494.96
  4. Step 4: Simplify right side
    131,291.12x = 20,692,174,922.77
  5. Step 5: Solve for x
    x = 20,692,174,922.77/131,291.12
  6. Step 6: Final answer
    x = 157,605.29

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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.