Home / 347,849.40-521,560.86-148,056.03

Finding the Fourth Proportional to 347,849.40, 521,560.86 and 148,056.03

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Solution

The fourth proportional to 347,849.40, 521,560.86 and 148,056.03 is: 221,993.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,849.40 : 521,560.86 = 148,056.03 : x
  2. Step 2: Convert to fraction form
    347,849.40/521,560.86 = 148,056.03/x
  3. Step 3: Cross multiply
    347,849.40x = 521,560.86 × 148,056.03
  4. Step 4: Simplify right side
    347,849.40x = 77,220,230,334.99
  5. Step 5: Solve for x
    x = 77,220,230,334.99/347,849.40
  6. Step 6: Final answer
    x = 221,993.28

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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.