Home / 187,543.82-281,121.33-117,261.74

Finding the Fourth Proportional to 187,543.82, 281,121.33 and 117,261.74

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Solution

The fourth proportional to 187,543.82, 281,121.33 and 117,261.74 is: 175,771.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,543.82 : 281,121.33 = 117,261.74 : x
  2. Step 2: Convert to fraction form
    187,543.82/281,121.33 = 117,261.74/x
  3. Step 3: Cross multiply
    187,543.82x = 281,121.33 × 117,261.74
  4. Step 4: Simplify right side
    187,543.82x = 32,964,776,306.91
  5. Step 5: Solve for x
    x = 32,964,776,306.91/187,543.82
  6. Step 6: Final answer
    x = 175,771.06

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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.