Home / 141,320.22-194,827.03-112,736.89

Finding the Fourth Proportional to 141,320.22, 194,827.03 and 112,736.89

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Solution

The fourth proportional to 141,320.22, 194,827.03 and 112,736.89 is: 155,421.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,320.22 : 194,827.03 = 112,736.89 : x
  2. Step 2: Convert to fraction form
    141,320.22/194,827.03 = 112,736.89/x
  3. Step 3: Cross multiply
    141,320.22x = 194,827.03 × 112,736.89
  4. Step 4: Simplify right side
    141,320.22x = 21,964,193,450.14
  5. Step 5: Solve for x
    x = 21,964,193,450.14/141,320.22
  6. Step 6: Final answer
    x = 155,421.45

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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.