Home / 225,887.04-311,761.44-125,317.44

Finding the Fourth Proportional to 225,887.04, 311,761.44 and 125,317.44

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Solution

The fourth proportional to 225,887.04, 311,761.44 and 125,317.44 is: 172,958.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,887.04 : 311,761.44 = 125,317.44 : x
  2. Step 2: Convert to fraction form
    225,887.04/311,761.44 = 125,317.44/x
  3. Step 3: Cross multiply
    225,887.04x = 311,761.44 × 125,317.44
  4. Step 4: Simplify right side
    225,887.04x = 39,069,145,551.51
  5. Step 5: Solve for x
    x = 39,069,145,551.51/225,887.04
  6. Step 6: Final answer
    x = 172,958.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.