Home / 133,173.12-199,532.28-73,251.72

Finding the Fourth Proportional to 133,173.12, 199,532.28 and 73,251.72

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Solution

The fourth proportional to 133,173.12, 199,532.28 and 73,251.72 is: 109,752.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,173.12 : 199,532.28 = 73,251.72 : x
  2. Step 2: Convert to fraction form
    133,173.12/199,532.28 = 73,251.72/x
  3. Step 3: Cross multiply
    133,173.12x = 199,532.28 × 73,251.72
  4. Step 4: Simplify right side
    133,173.12x = 14,616,082,705.52
  5. Step 5: Solve for x
    x = 14,616,082,705.52/133,173.12
  6. Step 6: Final answer
    x = 109,752.50

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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.