Home / 179,520.12-269,197.40-53,115.16

Finding the Fourth Proportional to 179,520.12, 269,197.40 and 53,115.16

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Solution

The fourth proportional to 179,520.12, 269,197.40 and 53,115.16 is: 79,648.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,520.12 : 269,197.40 = 53,115.16 : x
  2. Step 2: Convert to fraction form
    179,520.12/269,197.40 = 53,115.16/x
  3. Step 3: Cross multiply
    179,520.12x = 269,197.40 × 53,115.16
  4. Step 4: Simplify right side
    179,520.12x = 14,298,462,972.58
  5. Step 5: Solve for x
    x = 14,298,462,972.58/179,520.12
  6. Step 6: Final answer
    x = 79,648.25

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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.