Home / 147,235.68-220,919.04-53,719.56

Finding the Fourth Proportional to 147,235.68, 220,919.04 and 53,719.56

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Solution

The fourth proportional to 147,235.68, 220,919.04 and 53,719.56 is: 80,603.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,235.68 : 220,919.04 = 53,719.56 : x
  2. Step 2: Convert to fraction form
    147,235.68/220,919.04 = 53,719.56/x
  3. Step 3: Cross multiply
    147,235.68x = 220,919.04 × 53,719.56
  4. Step 4: Simplify right side
    147,235.68x = 11,867,673,624.42
  5. Step 5: Solve for x
    x = 11,867,673,624.42/147,235.68
  6. Step 6: Final answer
    x = 80,603.25

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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.