Home / 187,393.07-258,427.18-149,279.33

Finding the Fourth Proportional to 187,393.07, 258,427.18 and 149,279.33

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Solution

The fourth proportional to 187,393.07, 258,427.18 and 149,279.33 is: 205,865.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,393.07 : 258,427.18 = 149,279.33 : x
  2. Step 2: Convert to fraction form
    187,393.07/258,427.18 = 149,279.33/x
  3. Step 3: Cross multiply
    187,393.07x = 258,427.18 × 149,279.33
  4. Step 4: Simplify right side
    187,393.07x = 38,577,836,284.19
  5. Step 5: Solve for x
    x = 38,577,836,284.19/187,393.07
  6. Step 6: Final answer
    x = 205,865.86

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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.