Home / 225,314.45-338,088.15-99,043.34

Finding the Fourth Proportional to 225,314.45, 338,088.15 and 99,043.34

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Solution

The fourth proportional to 225,314.45, 338,088.15 and 99,043.34 is: 148,616.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,314.45 : 338,088.15 = 99,043.34 : x
  2. Step 2: Convert to fraction form
    225,314.45/338,088.15 = 99,043.34/x
  3. Step 3: Cross multiply
    225,314.45x = 338,088.15 × 99,043.34
  4. Step 4: Simplify right side
    225,314.45x = 33,485,377,899.98
  5. Step 5: Solve for x
    x = 33,485,377,899.98/225,314.45
  6. Step 6: Final answer
    x = 148,616.21

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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.