Home / 174,857.20-262,415.40-115,673.20

Finding the Fourth Proportional to 174,857.20, 262,415.40 and 115,673.20

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Solution

The fourth proportional to 174,857.20, 262,415.40 and 115,673.20 is: 173,595.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,857.20 : 262,415.40 = 115,673.20 : x
  2. Step 2: Convert to fraction form
    174,857.20/262,415.40 = 115,673.20/x
  3. Step 3: Cross multiply
    174,857.20x = 262,415.40 × 115,673.20
  4. Step 4: Simplify right side
    174,857.20x = 30,354,429,047.28
  5. Step 5: Solve for x
    x = 30,354,429,047.28/174,857.20
  6. Step 6: Final answer
    x = 173,595.53

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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.