Home / 187,149.01-258,291.98-119,144.25

Finding the Fourth Proportional to 187,149.01, 258,291.98 and 119,144.25

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Solution

The fourth proportional to 187,149.01, 258,291.98 and 119,144.25 is: 164,435.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,149.01 : 258,291.98 = 119,144.25 : x
  2. Step 2: Convert to fraction form
    187,149.01/258,291.98 = 119,144.25/x
  3. Step 3: Cross multiply
    187,149.01x = 258,291.98 × 119,144.25
  4. Step 4: Simplify right side
    187,149.01x = 30,774,004,238.12
  5. Step 5: Solve for x
    x = 30,774,004,238.12/187,149.01
  6. Step 6: Final answer
    x = 164,435.84

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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.