Home / 347,132.45-520,596.61-147,451.25

Finding the Fourth Proportional to 347,132.45, 520,596.61 and 147,451.25

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Solution

The fourth proportional to 347,132.45, 520,596.61 and 147,451.25 is: 221,133.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,132.45 : 520,596.61 = 147,451.25 : x
  2. Step 2: Convert to fraction form
    347,132.45/520,596.61 = 147,451.25/x
  3. Step 3: Cross multiply
    347,132.45x = 520,596.61 × 147,451.25
  4. Step 4: Simplify right side
    347,132.45x = 76,762,620,890.26
  5. Step 5: Solve for x
    x = 76,762,620,890.26/347,132.45
  6. Step 6: Final answer
    x = 221,133.52

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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.