Home / 187,670.16-281,505.76-45,514.80

Finding the Fourth Proportional to 187,670.16, 281,505.76 and 45,514.80

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Solution

The fourth proportional to 187,670.16, 281,505.76 and 45,514.80 is: 68,272.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,670.16 : 281,505.76 = 45,514.80 : x
  2. Step 2: Convert to fraction form
    187,670.16/281,505.76 = 45,514.80/x
  3. Step 3: Cross multiply
    187,670.16x = 281,505.76 × 45,514.80
  4. Step 4: Simplify right side
    187,670.16x = 12,812,678,365.25
  5. Step 5: Solve for x
    x = 12,812,678,365.25/187,670.16
  6. Step 6: Final answer
    x = 68,272.33

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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.