Home / 187,003.62-280,529.69-85,777.27

Finding the Fourth Proportional to 187,003.62, 280,529.69 and 85,777.27

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Solution

The fourth proportional to 187,003.62, 280,529.69 and 85,777.27 is: 128,677.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,003.62 : 280,529.69 = 85,777.27 : x
  2. Step 2: Convert to fraction form
    187,003.62/280,529.69 = 85,777.27/x
  3. Step 3: Cross multiply
    187,003.62x = 280,529.69 × 85,777.27
  4. Step 4: Simplify right side
    187,003.62x = 24,063,069,831.94
  5. Step 5: Solve for x
    x = 24,063,069,831.94/187,003.62
  6. Step 6: Final answer
    x = 128,677.03

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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.