Home / 111,557.12-167,286.56-52,409.60

Finding the Fourth Proportional to 111,557.12, 167,286.56 and 52,409.60

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Solution

The fourth proportional to 111,557.12, 167,286.56 and 52,409.60 is: 78,591.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,557.12 : 167,286.56 = 52,409.60 : x
  2. Step 2: Convert to fraction form
    111,557.12/167,286.56 = 52,409.60/x
  3. Step 3: Cross multiply
    111,557.12x = 167,286.56 × 52,409.60
  4. Step 4: Simplify right side
    111,557.12x = 8,767,421,694.98
  5. Step 5: Solve for x
    x = 8,767,421,694.98/111,557.12
  6. Step 6: Final answer
    x = 78,591.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.