Home / 175,205.60-262,900.20-80,464.40

Finding the Fourth Proportional to 175,205.60, 262,900.20 and 80,464.40

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Solution

The fourth proportional to 175,205.60, 262,900.20 and 80,464.40 is: 120,738.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,205.60 : 262,900.20 = 80,464.40 : x
  2. Step 2: Convert to fraction form
    175,205.60/262,900.20 = 80,464.40/x
  3. Step 3: Cross multiply
    175,205.60x = 262,900.20 × 80,464.40
  4. Step 4: Simplify right side
    175,205.60x = 21,154,106,852.88
  5. Step 5: Solve for x
    x = 21,154,106,852.88/175,205.60
  6. Step 6: Final answer
    x = 120,738.76

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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.