Home / 172,400.07-258,046.96-92,237.50

Finding the Fourth Proportional to 172,400.07, 258,046.96 and 92,237.50

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Solution

The fourth proportional to 172,400.07, 258,046.96 and 92,237.50 is: 138,060.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,400.07 : 258,046.96 = 92,237.50 : x
  2. Step 2: Convert to fraction form
    172,400.07/258,046.96 = 92,237.50/x
  3. Step 3: Cross multiply
    172,400.07x = 258,046.96 × 92,237.50
  4. Step 4: Simplify right side
    172,400.07x = 23,801,606,473
  5. Step 5: Solve for x
    x = 23,801,606,473/172,400.07
  6. Step 6: Final answer
    x = 138,060.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.