Home / 187,195.72-258,330.03-106,630.68

Finding the Fourth Proportional to 187,195.72, 258,330.03 and 106,630.68

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Solution

The fourth proportional to 187,195.72, 258,330.03 and 106,630.68 is: 147,150.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,195.72 : 258,330.03 = 106,630.68 : x
  2. Step 2: Convert to fraction form
    187,195.72/258,330.03 = 106,630.68/x
  3. Step 3: Cross multiply
    187,195.72x = 258,330.03 × 106,630.68
  4. Step 4: Simplify right side
    187,195.72x = 27,545,906,763.32
  5. Step 5: Solve for x
    x = 27,545,906,763.32/187,195.72
  6. Step 6: Final answer
    x = 147,150.30

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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.