Home / 114,584.10-158,155.13-78,300.24

Finding the Fourth Proportional to 114,584.10, 158,155.13 and 78,300.24

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Solution

The fourth proportional to 114,584.10, 158,155.13 and 78,300.24 is: 108,074.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,584.10 : 158,155.13 = 78,300.24 : x
  2. Step 2: Convert to fraction form
    114,584.10/158,155.13 = 78,300.24/x
  3. Step 3: Cross multiply
    114,584.10x = 158,155.13 × 78,300.24
  4. Step 4: Simplify right side
    114,584.10x = 12,383,583,453.95
  5. Step 5: Solve for x
    x = 12,383,583,453.95/114,584.10
  6. Step 6: Final answer
    x = 108,074.19

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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.