Home / 136,196.22-187,956.84-113,497.19

Finding the Fourth Proportional to 136,196.22, 187,956.84 and 113,497.19

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Solution

The fourth proportional to 136,196.22, 187,956.84 and 113,497.19 is: 156,631.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,196.22 : 187,956.84 = 113,497.19 : x
  2. Step 2: Convert to fraction form
    136,196.22/187,956.84 = 113,497.19/x
  3. Step 3: Cross multiply
    136,196.22x = 187,956.84 × 113,497.19
  4. Step 4: Simplify right side
    136,196.22x = 21,332,572,241.50
  5. Step 5: Solve for x
    x = 21,332,572,241.50/136,196.22
  6. Step 6: Final answer
    x = 156,631.16

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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.