Home / 147,081.36-220,428.17-58,286.42

Finding the Fourth Proportional to 147,081.36, 220,428.17 and 58,286.42

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Solution

The fourth proportional to 147,081.36, 220,428.17 and 58,286.42 is: 87,352.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,081.36 : 220,428.17 = 58,286.42 : x
  2. Step 2: Convert to fraction form
    147,081.36/220,428.17 = 58,286.42/x
  3. Step 3: Cross multiply
    147,081.36x = 220,428.17 × 58,286.42
  4. Step 4: Simplify right side
    147,081.36x = 12,847,968,896.45
  5. Step 5: Solve for x
    x = 12,847,968,896.45/147,081.36
  6. Step 6: Final answer
    x = 87,352.80

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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.