Home / 135,609.51-187,294.32-92,515.01

Finding the Fourth Proportional to 135,609.51, 187,294.32 and 92,515.01

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Solution

The fourth proportional to 135,609.51, 187,294.32 and 92,515.01 is: 127,775.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,609.51 : 187,294.32 = 92,515.01 : x
  2. Step 2: Convert to fraction form
    135,609.51/187,294.32 = 92,515.01/x
  3. Step 3: Cross multiply
    135,609.51x = 187,294.32 × 92,515.01
  4. Step 4: Simplify right side
    135,609.51x = 17,327,534,951.27
  5. Step 5: Solve for x
    x = 17,327,534,951.27/135,609.51
  6. Step 6: Final answer
    x = 127,775.22

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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.