Home / 187,095.24-280,609.10-53,942.78

Finding the Fourth Proportional to 187,095.24, 280,609.10 and 53,942.78

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Solution

The fourth proportional to 187,095.24, 280,609.10 and 53,942.78 is: 80,904.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,095.24 : 280,609.10 = 53,942.78 : x
  2. Step 2: Convert to fraction form
    187,095.24/280,609.10 = 53,942.78/x
  3. Step 3: Cross multiply
    187,095.24x = 280,609.10 × 53,942.78
  4. Step 4: Simplify right side
    187,095.24x = 15,136,834,947.30
  5. Step 5: Solve for x
    x = 15,136,834,947.30/187,095.24
  6. Step 6: Final answer
    x = 80,904.44

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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.