Home / 187,742.14-281,613.21-45,586.46

Finding the Fourth Proportional to 187,742.14, 281,613.21 and 45,586.46

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Solution

The fourth proportional to 187,742.14, 281,613.21 and 45,586.46 is: 68,379.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,742.14 : 281,613.21 = 45,586.46 : x
  2. Step 2: Convert to fraction form
    187,742.14/281,613.21 = 45,586.46/x
  3. Step 3: Cross multiply
    187,742.14x = 281,613.21 × 45,586.46
  4. Step 4: Simplify right side
    187,742.14x = 12,837,747,754.12
  5. Step 5: Solve for x
    x = 12,837,747,754.12/187,742.14
  6. Step 6: Final answer
    x = 68,379.68

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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.