Home / 187,136.54-258,242.24-118,262.81

Finding the Fourth Proportional to 187,136.54, 258,242.24 and 118,262.81

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Solution

The fourth proportional to 187,136.54, 258,242.24 and 118,262.81 is: 163,198.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,136.54 : 258,242.24 = 118,262.81 : x
  2. Step 2: Convert to fraction form
    187,136.54/258,242.24 = 118,262.81/x
  3. Step 3: Cross multiply
    187,136.54x = 258,242.24 × 118,262.81
  4. Step 4: Simplify right side
    187,136.54x = 30,540,452,644.77
  5. Step 5: Solve for x
    x = 30,540,452,644.77/187,136.54
  6. Step 6: Final answer
    x = 163,198.77

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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.