Home / 187,293.72-280,898.44-54,144.32

Finding the Fourth Proportional to 187,293.72, 280,898.44 and 54,144.32

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Solution

The fourth proportional to 187,293.72, 280,898.44 and 54,144.32 is: 81,204.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,293.72 : 280,898.44 = 54,144.32 : x
  2. Step 2: Convert to fraction form
    187,293.72/280,898.44 = 54,144.32/x
  3. Step 3: Cross multiply
    187,293.72x = 280,898.44 × 54,144.32
  4. Step 4: Simplify right side
    187,293.72x = 15,209,055,022.86
  5. Step 5: Solve for x
    x = 15,209,055,022.86/187,293.72
  6. Step 6: Final answer
    x = 81,204.30

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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.