Home / 187,555.44-258,820.05-107,009.04

Finding the Fourth Proportional to 187,555.44, 258,820.05 and 107,009.04

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Solution

The fourth proportional to 187,555.44, 258,820.05 and 107,009.04 is: 147,668.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,555.44 : 258,820.05 = 107,009.04 : x
  2. Step 2: Convert to fraction form
    187,555.44/258,820.05 = 107,009.04/x
  3. Step 3: Cross multiply
    187,555.44x = 258,820.05 × 107,009.04
  4. Step 4: Simplify right side
    187,555.44x = 27,696,085,083.25
  5. Step 5: Solve for x
    x = 27,696,085,083.25/187,555.44
  6. Step 6: Final answer
    x = 147,668.79

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1.5x scale

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.