Home / 135,964.96-187,636.93-93,034.45

Finding the Fourth Proportional to 135,964.96, 187,636.93 and 93,034.45

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Solution

The fourth proportional to 135,964.96, 187,636.93 and 93,034.45 is: 128,391.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,964.96 : 187,636.93 = 93,034.45 : x
  2. Step 2: Convert to fraction form
    135,964.96/187,636.93 = 93,034.45/x
  3. Step 3: Cross multiply
    135,964.96x = 187,636.93 × 93,034.45
  4. Step 4: Simplify right side
    135,964.96x = 17,456,698,584.20
  5. Step 5: Solve for x
    x = 17,456,698,584.20/135,964.96
  6. Step 6: Final answer
    x = 128,391.16

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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.