Home / 325,260.36-487,935.90-147,812.04

Finding the Fourth Proportional to 325,260.36, 487,935.90 and 147,812.04

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Solution

The fourth proportional to 325,260.36, 487,935.90 and 147,812.04 is: 221,738.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,260.36 : 487,935.90 = 147,812.04 : x
  2. Step 2: Convert to fraction form
    325,260.36/487,935.90 = 147,812.04/x
  3. Step 3: Cross multiply
    325,260.36x = 487,935.90 × 147,812.04
  4. Step 4: Simplify right side
    325,260.36x = 72,122,800,768.24
  5. Step 5: Solve for x
    x = 72,122,800,768.24/325,260.36
  6. Step 6: Final answer
    x = 221,738.67

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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.