Home / 113,606.44-156,803.60-70,618.36

Finding the Fourth Proportional to 113,606.44, 156,803.60 and 70,618.36

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Solution

The fourth proportional to 113,606.44, 156,803.60 and 70,618.36 is: 97,469.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,606.44 : 156,803.60 = 70,618.36 : x
  2. Step 2: Convert to fraction form
    113,606.44/156,803.60 = 70,618.36/x
  3. Step 3: Cross multiply
    113,606.44x = 156,803.60 × 70,618.36
  4. Step 4: Simplify right side
    113,606.44x = 11,073,213,074.10
  5. Step 5: Solve for x
    x = 11,073,213,074.10/113,606.44
  6. Step 6: Final answer
    x = 97,469.94

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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.