Home / 187,760.30-281,611.02-61,399.50

Finding the Fourth Proportional to 187,760.30, 281,611.02 and 61,399.50

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Solution

The fourth proportional to 187,760.30, 281,611.02 and 61,399.50 is: 92,089.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,760.30 : 281,611.02 = 61,399.50 : x
  2. Step 2: Convert to fraction form
    187,760.30/281,611.02 = 61,399.50/x
  3. Step 3: Cross multiply
    187,760.30x = 281,611.02 × 61,399.50
  4. Step 4: Simplify right side
    187,760.30x = 17,290,775,822.49
  5. Step 5: Solve for x
    x = 17,290,775,822.49/187,760.30
  6. Step 6: Final answer
    x = 92,089.63

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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.