Home / 187,604.84-258,896.33-111,128.29

Finding the Fourth Proportional to 187,604.84, 258,896.33 and 111,128.29

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Solution

The fourth proportional to 187,604.84, 258,896.33 and 111,128.29 is: 153,358.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,604.84 : 258,896.33 = 111,128.29 : x
  2. Step 2: Convert to fraction form
    187,604.84/258,896.33 = 111,128.29/x
  3. Step 3: Cross multiply
    187,604.84x = 258,896.33 × 111,128.29
  4. Step 4: Simplify right side
    187,604.84x = 28,770,704,590.05
  5. Step 5: Solve for x
    x = 28,770,704,590.05/187,604.84
  6. Step 6: Final answer
    x = 153,358.01

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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.