Home / 227,428.49-313,832.89-130,601.45

Finding the Fourth Proportional to 227,428.49, 313,832.89 and 130,601.45

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Solution

The fourth proportional to 227,428.49, 313,832.89 and 130,601.45 is: 180,219.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,428.49 : 313,832.89 = 130,601.45 : x
  2. Step 2: Convert to fraction form
    227,428.49/313,832.89 = 130,601.45/x
  3. Step 3: Cross multiply
    227,428.49x = 313,832.89 × 130,601.45
  4. Step 4: Simplify right side
    227,428.49x = 40,987,030,491.69
  5. Step 5: Solve for x
    x = 40,987,030,491.69/227,428.49
  6. Step 6: Final answer
    x = 180,219.42

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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.