Home / 179,154.64-268,778.04-128,612.26

Finding the Fourth Proportional to 179,154.64, 268,778.04 and 128,612.26

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Solution

The fourth proportional to 179,154.64, 268,778.04 and 128,612.26 is: 192,951.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,154.64 : 268,778.04 = 128,612.26 : x
  2. Step 2: Convert to fraction form
    179,154.64/268,778.04 = 128,612.26/x
  3. Step 3: Cross multiply
    179,154.64x = 268,778.04 × 128,612.26
  4. Step 4: Simplify right side
    179,154.64x = 34,568,151,162.77
  5. Step 5: Solve for x
    x = 34,568,151,162.77/179,154.64
  6. Step 6: Final answer
    x = 192,951.47

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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.