Home / 135,527.33-187,058.93-90,207.11

Finding the Fourth Proportional to 135,527.33, 187,058.93 and 90,207.11

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Solution

The fourth proportional to 135,527.33, 187,058.93 and 90,207.11 is: 124,506.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,527.33 : 187,058.93 = 90,207.11 : x
  2. Step 2: Convert to fraction form
    135,527.33/187,058.93 = 90,207.11/x
  3. Step 3: Cross multiply
    135,527.33x = 187,058.93 × 90,207.11
  4. Step 4: Simplify right side
    135,527.33x = 16,874,045,023.96
  5. Step 5: Solve for x
    x = 16,874,045,023.96/135,527.33
  6. Step 6: Final answer
    x = 124,506.58

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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.