Home / 119,689.20-179,533.80-82,364.40

Finding the Fourth Proportional to 119,689.20, 179,533.80 and 82,364.40

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Solution

The fourth proportional to 119,689.20, 179,533.80 and 82,364.40 is: 123,546.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,689.20 : 179,533.80 = 82,364.40 : x
  2. Step 2: Convert to fraction form
    119,689.20/179,533.80 = 82,364.40/x
  3. Step 3: Cross multiply
    119,689.20x = 179,533.80 × 82,364.40
  4. Step 4: Simplify right side
    119,689.20x = 14,787,193,716.72
  5. Step 5: Solve for x
    x = 14,787,193,716.72/119,689.20
  6. Step 6: Final answer
    x = 123,546.60

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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.