Home / 187,285.72-280,886.46-54,136.30

Finding the Fourth Proportional to 187,285.72, 280,886.46 and 54,136.30

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Solution

The fourth proportional to 187,285.72, 280,886.46 and 54,136.30 is: 81,192.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,285.72 : 280,886.46 = 54,136.30 : x
  2. Step 2: Convert to fraction form
    187,285.72/280,886.46 = 54,136.30/x
  3. Step 3: Cross multiply
    187,285.72x = 280,886.46 × 54,136.30
  4. Step 4: Simplify right side
    187,285.72x = 15,206,153,664.50
  5. Step 5: Solve for x
    x = 15,206,153,664.50/187,285.72
  6. Step 6: Final answer
    x = 81,192.27

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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.