Home / 187,558.38-258,777.58-111,043.89

Finding the Fourth Proportional to 187,558.38, 258,777.58 and 111,043.89

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Solution

The fourth proportional to 187,558.38, 258,777.58 and 111,043.89 is: 153,209.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,558.38 : 258,777.58 = 111,043.89 : x
  2. Step 2: Convert to fraction form
    187,558.38/258,777.58 = 111,043.89/x
  3. Step 3: Cross multiply
    187,558.38x = 258,777.58 × 111,043.89
  4. Step 4: Simplify right side
    187,558.38x = 28,735,669,127.99
  5. Step 5: Solve for x
    x = 28,735,669,127.99/187,558.38
  6. Step 6: Final answer
    x = 153,209.20

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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.