Home / 136,680.06-188,618.56-76,250.70

Finding the Fourth Proportional to 136,680.06, 188,618.56 and 76,250.70

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Solution

The fourth proportional to 136,680.06, 188,618.56 and 76,250.70 is: 105,226.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,680.06 : 188,618.56 = 76,250.70 : x
  2. Step 2: Convert to fraction form
    136,680.06/188,618.56 = 76,250.70/x
  3. Step 3: Cross multiply
    136,680.06x = 188,618.56 × 76,250.70
  4. Step 4: Simplify right side
    136,680.06x = 14,382,297,232.99
  5. Step 5: Solve for x
    x = 14,382,297,232.99/136,680.06
  6. Step 6: Final answer
    x = 105,226.01

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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.