Home / 136,355.49-188,170.79-75,937.77

Finding the Fourth Proportional to 136,355.49, 188,170.79 and 75,937.77

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Solution

The fourth proportional to 136,355.49, 188,170.79 and 75,937.77 is: 104,794.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,355.49 : 188,170.79 = 75,937.77 : x
  2. Step 2: Convert to fraction form
    136,355.49/188,170.79 = 75,937.77/x
  3. Step 3: Cross multiply
    136,355.49x = 188,170.79 × 75,937.77
  4. Step 4: Simplify right side
    136,355.49x = 14,289,269,792.05
  5. Step 5: Solve for x
    x = 14,289,269,792.05/136,355.49
  6. Step 6: Final answer
    x = 104,794.24

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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.