Home / 117,334.56-161,909.70-72,014.44

Finding the Fourth Proportional to 117,334.56, 161,909.70 and 72,014.44

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Solution

The fourth proportional to 117,334.56, 161,909.70 and 72,014.44 is: 99,372.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,334.56 : 161,909.70 = 72,014.44 : x
  2. Step 2: Convert to fraction form
    117,334.56/161,909.70 = 72,014.44/x
  3. Step 3: Cross multiply
    117,334.56x = 161,909.70 × 72,014.44
  4. Step 4: Simplify right side
    117,334.56x = 11,659,836,376.07
  5. Step 5: Solve for x
    x = 11,659,836,376.07/117,334.56
  6. Step 6: Final answer
    x = 99,372.57

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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.