Home / 414,696.20-622,143-134,213.45

Finding the Fourth Proportional to 414,696.20, 622,143 and 134,213.45

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Solution

The fourth proportional to 414,696.20, 622,143 and 134,213.45 is: 201,352.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,696.20 : 622,143 = 134,213.45 : x
  2. Step 2: Convert to fraction form
    414,696.20/622,143 = 134,213.45/x
  3. Step 3: Cross multiply
    414,696.20x = 622,143 × 134,213.45
  4. Step 4: Simplify right side
    414,696.20x = 83,499,955,312.64
  5. Step 5: Solve for x
    x = 83,499,955,312.64/414,696.20
  6. Step 6: Final answer
    x = 201,352.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.