Home / 174,925.20-262,387.80-139,933.20

Finding the Fourth Proportional to 174,925.20, 262,387.80 and 139,933.20

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Solution

The fourth proportional to 174,925.20, 262,387.80 and 139,933.20 is: 209,899.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,925.20 : 262,387.80 = 139,933.20 : x
  2. Step 2: Convert to fraction form
    174,925.20/262,387.80 = 139,933.20/x
  3. Step 3: Cross multiply
    174,925.20x = 262,387.80 × 139,933.20
  4. Step 4: Simplify right side
    174,925.20x = 36,716,764,494.96
  5. Step 5: Solve for x
    x = 36,716,764,494.96/174,925.20
  6. Step 6: Final answer
    x = 209,899.80

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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.