Home / 219,381.36-329,072.01-53,169.36

Finding the Fourth Proportional to 219,381.36, 329,072.01 and 53,169.36

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Solution

The fourth proportional to 219,381.36, 329,072.01 and 53,169.36 is: 79,754.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,381.36 : 329,072.01 = 53,169.36 : x
  2. Step 2: Convert to fraction form
    219,381.36/329,072.01 = 53,169.36/x
  3. Step 3: Cross multiply
    219,381.36x = 329,072.01 × 53,169.36
  4. Step 4: Simplify right side
    219,381.36x = 17,496,548,165.61
  5. Step 5: Solve for x
    x = 17,496,548,165.61/219,381.36
  6. Step 6: Final answer
    x = 79,754.03

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1.5x scale

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.