Home / 175,217.60-262,826.40-81,732.80

Finding the Fourth Proportional to 175,217.60, 262,826.40 and 81,732.80

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Solution

The fourth proportional to 175,217.60, 262,826.40 and 81,732.80 is: 122,599.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,217.60 : 262,826.40 = 81,732.80 : x
  2. Step 2: Convert to fraction form
    175,217.60/262,826.40 = 81,732.80/x
  3. Step 3: Cross multiply
    175,217.60x = 262,826.40 × 81,732.80
  4. Step 4: Simplify right side
    175,217.60x = 21,481,537,585.92
  5. Step 5: Solve for x
    x = 21,481,537,585.92/175,217.60
  6. Step 6: Final answer
    x = 122,599.20

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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.