Home / 113,626.19-156,817.62-68,327.35

Finding the Fourth Proportional to 113,626.19, 156,817.62 and 68,327.35

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Solution

The fourth proportional to 113,626.19, 156,817.62 and 68,327.35 is: 94,299.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,626.19 : 156,817.62 = 68,327.35 : x
  2. Step 2: Convert to fraction form
    113,626.19/156,817.62 = 68,327.35/x
  3. Step 3: Cross multiply
    113,626.19x = 156,817.62 × 68,327.35
  4. Step 4: Simplify right side
    113,626.19x = 10,714,932,015.86
  5. Step 5: Solve for x
    x = 10,714,932,015.86/113,626.19
  6. Step 6: Final answer
    x = 94,299.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.