Home / 187,623.20-281,337.60-69,233.60

Finding the Fourth Proportional to 187,623.20, 281,337.60 and 69,233.60

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Solution

The fourth proportional to 187,623.20, 281,337.60 and 69,233.60 is: 103,814.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,623.20 : 281,337.60 = 69,233.60 : x
  2. Step 2: Convert to fraction form
    187,623.20/281,337.60 = 69,233.60/x
  3. Step 3: Cross multiply
    187,623.20x = 281,337.60 × 69,233.60
  4. Step 4: Simplify right side
    187,623.20x = 19,478,014,863.36
  5. Step 5: Solve for x
    x = 19,478,014,863.36/187,623.20
  6. Step 6: Final answer
    x = 103,814.53

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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.