Home / 187,587.04-281,136.48-143,050

Finding the Fourth Proportional to 187,587.04, 281,136.48 and 143,050

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Solution

The fourth proportional to 187,587.04, 281,136.48 and 143,050 is: 214,388.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,587.04 : 281,136.48 = 143,050 : x
  2. Step 2: Convert to fraction form
    187,587.04/281,136.48 = 143,050/x
  3. Step 3: Cross multiply
    187,587.04x = 281,136.48 × 143,050
  4. Step 4: Simplify right side
    187,587.04x = 40,216,573,464
  5. Step 5: Solve for x
    x = 40,216,573,464/187,587.04
  6. Step 6: Final answer
    x = 214,388.87

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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.