Home / 136,270.50-187,892.41-93,270.71

Finding the Fourth Proportional to 136,270.50, 187,892.41 and 93,270.71

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Solution

The fourth proportional to 136,270.50, 187,892.41 and 93,270.71 is: 128,603.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,270.50 : 187,892.41 = 93,270.71 : x
  2. Step 2: Convert to fraction form
    136,270.50/187,892.41 = 93,270.71/x
  3. Step 3: Cross multiply
    136,270.50x = 187,892.41 × 93,270.71
  4. Step 4: Simplify right side
    136,270.50x = 17,524,858,484.31
  5. Step 5: Solve for x
    x = 17,524,858,484.31/136,270.50
  6. Step 6: Final answer
    x = 128,603.47

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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.