Home / 187,064.66-258,234.21-119,174.73

Finding the Fourth Proportional to 187,064.66, 258,234.21 and 119,174.73

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Solution

The fourth proportional to 187,064.66, 258,234.21 and 119,174.73 is: 164,515.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,064.66 : 258,234.21 = 119,174.73 : x
  2. Step 2: Convert to fraction form
    187,064.66/258,234.21 = 119,174.73/x
  3. Step 3: Cross multiply
    187,064.66x = 258,234.21 × 119,174.73
  4. Step 4: Simplify right side
    187,064.66x = 30,774,992,253.51
  5. Step 5: Solve for x
    x = 30,774,992,253.51/187,064.66
  6. Step 6: Final answer
    x = 164,515.27

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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.