Home / 179,155.64-268,779.54-128,613.26

Finding the Fourth Proportional to 179,155.64, 268,779.54 and 128,613.26

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Solution

The fourth proportional to 179,155.64, 268,779.54 and 128,613.26 is: 192,952.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,155.64 : 268,779.54 = 128,613.26 : x
  2. Step 2: Convert to fraction form
    179,155.64/268,779.54 = 128,613.26/x
  3. Step 3: Cross multiply
    179,155.64x = 268,779.54 × 128,613.26
  4. Step 4: Simplify right side
    179,155.64x = 34,568,612,860.70
  5. Step 5: Solve for x
    x = 34,568,612,860.70/179,155.64
  6. Step 6: Final answer
    x = 192,952.97

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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.