Home / 175,033.30-262,247.55-81,346.90

Finding the Fourth Proportional to 175,033.30, 262,247.55 and 81,346.90

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Solution

The fourth proportional to 175,033.30, 262,247.55 and 81,346.90 is: 121,879.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,033.30 : 262,247.55 = 81,346.90 : x
  2. Step 2: Convert to fraction form
    175,033.30/262,247.55 = 81,346.90/x
  3. Step 3: Cross multiply
    175,033.30x = 262,247.55 × 81,346.90
  4. Step 4: Simplify right side
    175,033.30x = 21,333,025,225.10
  5. Step 5: Solve for x
    x = 21,333,025,225.10/175,033.30
  6. Step 6: Final answer
    x = 121,879.81

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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.