Home / 187,755.63-281,634.03-47,514.21

Finding the Fourth Proportional to 187,755.63, 281,634.03 and 47,514.21

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Solution

The fourth proportional to 187,755.63, 281,634.03 and 47,514.21 is: 71,271.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,755.63 : 281,634.03 = 47,514.21 : x
  2. Step 2: Convert to fraction form
    187,755.63/281,634.03 = 47,514.21/x
  3. Step 3: Cross multiply
    187,755.63x = 281,634.03 × 47,514.21
  4. Step 4: Simplify right side
    187,755.63x = 13,381,618,444.57
  5. Step 5: Solve for x
    x = 13,381,618,444.57/187,755.63
  6. Step 6: Final answer
    x = 71,271.46

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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.