Home / 187,668.24-258,940.56-111,149.16

Finding the Fourth Proportional to 187,668.24, 258,940.56 and 111,149.16

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Solution

The fourth proportional to 187,668.24, 258,940.56 and 111,149.16 is: 153,361.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,668.24 : 258,940.56 = 111,149.16 : x
  2. Step 2: Convert to fraction form
    187,668.24/258,940.56 = 111,149.16/x
  3. Step 3: Cross multiply
    187,668.24x = 258,940.56 × 111,149.16
  4. Step 4: Simplify right side
    187,668.24x = 28,781,025,733.93
  5. Step 5: Solve for x
    x = 28,781,025,733.93/187,668.24
  6. Step 6: Final answer
    x = 153,361.20

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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.