Home / 187,708.16-281,653.44-82,513.52

Finding the Fourth Proportional to 187,708.16, 281,653.44 and 82,513.52

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Solution

The fourth proportional to 187,708.16, 281,653.44 and 82,513.52 is: 123,810.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,708.16 : 281,653.44 = 82,513.52 : x
  2. Step 2: Convert to fraction form
    187,708.16/281,653.44 = 82,513.52/x
  3. Step 3: Cross multiply
    187,708.16x = 281,653.44 × 82,513.52
  4. Step 4: Simplify right side
    187,708.16x = 23,240,216,754.51
  5. Step 5: Solve for x
    x = 23,240,216,754.51/187,708.16
  6. Step 6: Final answer
    x = 123,810.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.