Home / 313,127.21-432,115.57-169,887.26

Finding the Fourth Proportional to 313,127.21, 432,115.57 and 169,887.26

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Solution

The fourth proportional to 313,127.21, 432,115.57 and 169,887.26 is: 234,444.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,127.21 : 432,115.57 = 169,887.26 : x
  2. Step 2: Convert to fraction form
    313,127.21/432,115.57 = 169,887.26/x
  3. Step 3: Cross multiply
    313,127.21x = 432,115.57 × 169,887.26
  4. Step 4: Simplify right side
    313,127.21x = 73,410,930,190.64
  5. Step 5: Solve for x
    x = 73,410,930,190.64/313,127.21
  6. Step 6: Final answer
    x = 234,444.43

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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.