Home / 187,416.20-281,027.10-69,026.60

Finding the Fourth Proportional to 187,416.20, 281,027.10 and 69,026.60

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Solution

The fourth proportional to 187,416.20, 281,027.10 and 69,026.60 is: 103,504.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,416.20 : 281,027.10 = 69,026.60 : x
  2. Step 2: Convert to fraction form
    187,416.20/281,027.10 = 69,026.60/x
  3. Step 3: Cross multiply
    187,416.20x = 281,027.10 × 69,026.60
  4. Step 4: Simplify right side
    187,416.20x = 19,398,345,220.86
  5. Step 5: Solve for x
    x = 19,398,345,220.86/187,416.20
  6. Step 6: Final answer
    x = 103,504.10

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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.