Home / 187,170.32-258,295.14-102,287.37

Finding the Fourth Proportional to 187,170.32, 258,295.14 and 102,287.37

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Solution

The fourth proportional to 187,170.32, 258,295.14 and 102,287.37 is: 141,156.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,170.32 : 258,295.14 = 102,287.37 : x
  2. Step 2: Convert to fraction form
    187,170.32/258,295.14 = 102,287.37/x
  3. Step 3: Cross multiply
    187,170.32x = 258,295.14 × 102,287.37
  4. Step 4: Simplify right side
    187,170.32x = 26,420,330,554.38
  5. Step 5: Solve for x
    x = 26,420,330,554.38/187,170.32
  6. Step 6: Final answer
    x = 141,156.63

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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.