Home / 187,221.28-280,858.44-60,821.08

Finding the Fourth Proportional to 187,221.28, 280,858.44 and 60,821.08

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Solution

The fourth proportional to 187,221.28, 280,858.44 and 60,821.08 is: 91,240.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,221.28 : 280,858.44 = 60,821.08 : x
  2. Step 2: Convert to fraction form
    187,221.28/280,858.44 = 60,821.08/x
  3. Step 3: Cross multiply
    187,221.28x = 280,858.44 × 60,821.08
  4. Step 4: Simplify right side
    187,221.28x = 17,082,113,647.92
  5. Step 5: Solve for x
    x = 17,082,113,647.92/187,221.28
  6. Step 6: Final answer
    x = 91,240.24

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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.