Home / 230,247.49-345,606.81-190,138.72

Finding the Fourth Proportional to 230,247.49, 345,606.81 and 190,138.72

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Solution

The fourth proportional to 230,247.49, 345,606.81 and 190,138.72 is: 285,402.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,247.49 : 345,606.81 = 190,138.72 : x
  2. Step 2: Convert to fraction form
    230,247.49/345,606.81 = 190,138.72/x
  3. Step 3: Cross multiply
    230,247.49x = 345,606.81 × 190,138.72
  4. Step 4: Simplify right side
    230,247.49x = 65,713,236,476.68
  5. Step 5: Solve for x
    x = 65,713,236,476.68/230,247.49
  6. Step 6: Final answer
    x = 285,402.62

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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.