Home / 347,968.40-521,952.60-161,344.40

Finding the Fourth Proportional to 347,968.40, 521,952.60 and 161,344.40

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Solution

The fourth proportional to 347,968.40, 521,952.60 and 161,344.40 is: 242,016.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,968.40 : 521,952.60 = 161,344.40 : x
  2. Step 2: Convert to fraction form
    347,968.40/521,952.60 = 161,344.40/x
  3. Step 3: Cross multiply
    347,968.40x = 521,952.60 × 161,344.40
  4. Step 4: Simplify right side
    347,968.40x = 84,214,129,075.44
  5. Step 5: Solve for x
    x = 84,214,129,075.44/347,968.40
  6. Step 6: Final answer
    x = 242,016.60

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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.