Home / 347,810.20-521,909.70-148,096.60

Finding the Fourth Proportional to 347,810.20, 521,909.70 and 148,096.60

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Solution

The fourth proportional to 347,810.20, 521,909.70 and 148,096.60 is: 222,227.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,810.20 : 521,909.70 = 148,096.60 : x
  2. Step 2: Convert to fraction form
    347,810.20/521,909.70 = 148,096.60/x
  3. Step 3: Cross multiply
    347,810.20x = 521,909.70 × 148,096.60
  4. Step 4: Simplify right side
    347,810.20x = 77,293,052,077.02
  5. Step 5: Solve for x
    x = 77,293,052,077.02/347,810.20
  6. Step 6: Final answer
    x = 222,227.67

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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.