Home / 136,048.35-187,738.68-75,616.92

Finding the Fourth Proportional to 136,048.35, 187,738.68 and 75,616.92

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Solution

The fourth proportional to 136,048.35, 187,738.68 and 75,616.92 is: 104,346.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,048.35 : 187,738.68 = 75,616.92 : x
  2. Step 2: Convert to fraction form
    136,048.35/187,738.68 = 75,616.92/x
  3. Step 3: Cross multiply
    136,048.35x = 187,738.68 × 75,616.92
  4. Step 4: Simplify right side
    136,048.35x = 14,196,220,326.01
  5. Step 5: Solve for x
    x = 14,196,220,326.01/136,048.35
  6. Step 6: Final answer
    x = 104,346.88

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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.