Home / 187,852.21-259,275.23-172,720.96

Finding the Fourth Proportional to 187,852.21, 259,275.23 and 172,720.96

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Solution

The fourth proportional to 187,852.21, 259,275.23 and 172,720.96 is: 238,390.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,852.21 : 259,275.23 = 172,720.96 : x
  2. Step 2: Convert to fraction form
    187,852.21/259,275.23 = 172,720.96/x
  3. Step 3: Cross multiply
    187,852.21x = 259,275.23 × 172,720.96
  4. Step 4: Simplify right side
    187,852.21x = 44,782,266,629.82
  5. Step 5: Solve for x
    x = 44,782,266,629.82/187,852.21
  6. Step 6: Final answer
    x = 238,390.95

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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.