Home / 174,927.20-262,390.80-139,935.20

Finding the Fourth Proportional to 174,927.20, 262,390.80 and 139,935.20

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Solution

The fourth proportional to 174,927.20, 262,390.80 and 139,935.20 is: 209,902.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,927.20 : 262,390.80 = 139,935.20 : x
  2. Step 2: Convert to fraction form
    174,927.20/262,390.80 = 139,935.20/x
  3. Step 3: Cross multiply
    174,927.20x = 262,390.80 × 139,935.20
  4. Step 4: Simplify right side
    174,927.20x = 36,717,709,076.16
  5. Step 5: Solve for x
    x = 36,717,709,076.16/174,927.20
  6. Step 6: Final answer
    x = 209,902.80

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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.