Home / 238,321.44-328,999.86-187,170.24

Finding the Fourth Proportional to 238,321.44, 328,999.86 and 187,170.24

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Solution

The fourth proportional to 238,321.44, 328,999.86 and 187,170.24 is: 258,386.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,321.44 : 328,999.86 = 187,170.24 : x
  2. Step 2: Convert to fraction form
    238,321.44/328,999.86 = 187,170.24/x
  3. Step 3: Cross multiply
    238,321.44x = 328,999.86 × 187,170.24
  4. Step 4: Simplify right side
    238,321.44x = 61,578,983,989.92
  5. Step 5: Solve for x
    x = 61,578,983,989.92/238,321.44
  6. Step 6: Final answer
    x = 258,386.25

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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.