Home / 179,148.35-268,768.69-128,605.97

Finding the Fourth Proportional to 179,148.35, 268,768.69 and 128,605.97

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Solution

The fourth proportional to 179,148.35, 268,768.69 and 128,605.97 is: 192,942.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,148.35 : 268,768.69 = 128,605.97 : x
  2. Step 2: Convert to fraction form
    179,148.35/268,768.69 = 128,605.97/x
  3. Step 3: Cross multiply
    179,148.35x = 268,768.69 × 128,605.97
  4. Step 4: Simplify right side
    179,148.35x = 34,565,258,083.08
  5. Step 5: Solve for x
    x = 34,565,258,083.08/179,148.35
  6. Step 6: Final answer
    x = 192,942.10

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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.