Home / 187,016.60-280,622.10-81,846.20

Finding the Fourth Proportional to 187,016.60, 280,622.10 and 81,846.20

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Solution

The fourth proportional to 187,016.60, 280,622.10 and 81,846.20 is: 122,811.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,016.60 : 280,622.10 = 81,846.20 : x
  2. Step 2: Convert to fraction form
    187,016.60/280,622.10 = 81,846.20/x
  3. Step 3: Cross multiply
    187,016.60x = 280,622.10 × 81,846.20
  4. Step 4: Simplify right side
    187,016.60x = 22,967,852,521.02
  5. Step 5: Solve for x
    x = 22,967,852,521.02/187,016.60
  6. Step 6: Final answer
    x = 122,811.84

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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.