Home / 187,189.23-258,367.04-106,664.22

Finding the Fourth Proportional to 187,189.23, 258,367.04 and 106,664.22

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Solution

The fourth proportional to 187,189.23, 258,367.04 and 106,664.22 is: 147,222.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,189.23 : 258,367.04 = 106,664.22 : x
  2. Step 2: Convert to fraction form
    187,189.23/258,367.04 = 106,664.22/x
  3. Step 3: Cross multiply
    187,189.23x = 258,367.04 × 106,664.22
  4. Step 4: Simplify right side
    187,189.23x = 27,558,518,261.99
  5. Step 5: Solve for x
    x = 27,558,518,261.99/187,189.23
  6. Step 6: Final answer
    x = 147,222.78

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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.