Home / 113,203.76-156,236.01-73,034.38

Finding the Fourth Proportional to 113,203.76, 156,236.01 and 73,034.38

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Solution

The fourth proportional to 113,203.76, 156,236.01 and 73,034.38 is: 100,797.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,203.76 : 156,236.01 = 73,034.38 : x
  2. Step 2: Convert to fraction form
    113,203.76/156,236.01 = 73,034.38/x
  3. Step 3: Cross multiply
    113,203.76x = 156,236.01 × 73,034.38
  4. Step 4: Simplify right side
    113,203.76x = 11,410,601,101.08
  5. Step 5: Solve for x
    x = 11,410,601,101.08/113,203.76
  6. Step 6: Final answer
    x = 100,797.01

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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.