Home / 135,964.04-187,635.65-93,033.53

Finding the Fourth Proportional to 135,964.04, 187,635.65 and 93,033.53

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Solution

The fourth proportional to 135,964.04, 187,635.65 and 93,033.53 is: 128,389.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,964.04 : 187,635.65 = 93,033.53 : x
  2. Step 2: Convert to fraction form
    135,964.04/187,635.65 = 93,033.53/x
  3. Step 3: Cross multiply
    135,964.04x = 187,635.65 × 93,033.53
  4. Step 4: Simplify right side
    135,964.04x = 17,456,405,470.00
  5. Step 5: Solve for x
    x = 17,456,405,470.00/135,964.04
  6. Step 6: Final answer
    x = 128,389.87

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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.