Home / 347,685.22-521,541.71-107,824.03

Finding the Fourth Proportional to 347,685.22, 521,541.71 and 107,824.03

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Solution

The fourth proportional to 347,685.22, 521,541.71 and 107,824.03 is: 161,740.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,685.22 : 521,541.71 = 107,824.03 : x
  2. Step 2: Convert to fraction form
    347,685.22/521,541.71 = 107,824.03/x
  3. Step 3: Cross multiply
    347,685.22x = 521,541.71 × 107,824.03
  4. Step 4: Simplify right side
    347,685.22x = 56,234,728,985.29
  5. Step 5: Solve for x
    x = 56,234,728,985.29/347,685.22
  6. Step 6: Final answer
    x = 161,740.35

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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.