Home / 113,481.64-156,533.70-81,600.04

Finding the Fourth Proportional to 113,481.64, 156,533.70 and 81,600.04

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Solution

The fourth proportional to 113,481.64, 156,533.70 and 81,600.04 is: 112,557.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,481.64 : 156,533.70 = 81,600.04 : x
  2. Step 2: Convert to fraction form
    113,481.64/156,533.70 = 81,600.04/x
  3. Step 3: Cross multiply
    113,481.64x = 156,533.70 × 81,600.04
  4. Step 4: Simplify right side
    113,481.64x = 12,773,156,181.35
  5. Step 5: Solve for x
    x = 12,773,156,181.35/113,481.64
  6. Step 6: Final answer
    x = 112,557.03

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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.