Home / 174,664.40-261,996.60-121,520.30

Finding the Fourth Proportional to 174,664.40, 261,996.60 and 121,520.30

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Solution

The fourth proportional to 174,664.40, 261,996.60 and 121,520.30 is: 182,280.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,664.40 : 261,996.60 = 121,520.30 : x
  2. Step 2: Convert to fraction form
    174,664.40/261,996.60 = 121,520.30/x
  3. Step 3: Cross multiply
    174,664.40x = 261,996.60 × 121,520.30
  4. Step 4: Simplify right side
    174,664.40x = 31,837,905,430.98
  5. Step 5: Solve for x
    x = 31,837,905,430.98/174,664.40
  6. Step 6: Final answer
    x = 182,280.45

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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.