Home / 225,551.04-311,260.36-123,583

Finding the Fourth Proportional to 225,551.04, 311,260.36 and 123,583

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Solution

The fourth proportional to 225,551.04, 311,260.36 and 123,583 is: 170,544.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,551.04 : 311,260.36 = 123,583 : x
  2. Step 2: Convert to fraction form
    225,551.04/311,260.36 = 123,583/x
  3. Step 3: Cross multiply
    225,551.04x = 311,260.36 × 123,583
  4. Step 4: Simplify right side
    225,551.04x = 38,466,489,069.88
  5. Step 5: Solve for x
    x = 38,466,489,069.88/225,551.04
  6. Step 6: Final answer
    x = 170,544.50

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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.