Home / 347,918.20-521,877.30-181,684.60

Finding the Fourth Proportional to 347,918.20, 521,877.30 and 181,684.60

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Solution

The fourth proportional to 347,918.20, 521,877.30 and 181,684.60 is: 272,526.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,918.20 : 521,877.30 = 181,684.60 : x
  2. Step 2: Convert to fraction form
    347,918.20/521,877.30 = 181,684.60/x
  3. Step 3: Cross multiply
    347,918.20x = 521,877.30 × 181,684.60
  4. Step 4: Simplify right side
    347,918.20x = 94,817,068,499.58
  5. Step 5: Solve for x
    x = 94,817,068,499.58/347,918.20
  6. Step 6: Final answer
    x = 272,526.90

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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.