Home / 174,630.12-261,947.01-139,791.24

Finding the Fourth Proportional to 174,630.12, 261,947.01 and 139,791.24

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Solution

The fourth proportional to 174,630.12, 261,947.01 and 139,791.24 is: 209,688.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,630.12 : 261,947.01 = 139,791.24 : x
  2. Step 2: Convert to fraction form
    174,630.12/261,947.01 = 139,791.24/x
  3. Step 3: Cross multiply
    174,630.12x = 261,947.01 × 139,791.24
  4. Step 4: Simplify right side
    174,630.12x = 36,617,897,342.19
  5. Step 5: Solve for x
    x = 36,617,897,342.19/174,630.12
  6. Step 6: Final answer
    x = 209,688.32

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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.