Home / 187,543.30-281,240.83-61,152.48

Finding the Fourth Proportional to 187,543.30, 281,240.83 and 61,152.48

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Solution

The fourth proportional to 187,543.30, 281,240.83 and 61,152.48 is: 91,704.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,543.30 : 281,240.83 = 61,152.48 : x
  2. Step 2: Convert to fraction form
    187,543.30/281,240.83 = 61,152.48/x
  3. Step 3: Cross multiply
    187,543.30x = 281,240.83 × 61,152.48
  4. Step 4: Simplify right side
    187,543.30x = 17,198,574,231.76
  5. Step 5: Solve for x
    x = 17,198,574,231.76/187,543.30
  6. Step 6: Final answer
    x = 91,704.55

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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.