Home / 142,828.58-214,257.07-52,895.36

Finding the Fourth Proportional to 142,828.58, 214,257.07 and 52,895.36

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Solution

The fourth proportional to 142,828.58, 214,257.07 and 52,895.36 is: 79,348.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,828.58 : 214,257.07 = 52,895.36 : x
  2. Step 2: Convert to fraction form
    142,828.58/214,257.07 = 52,895.36/x
  3. Step 3: Cross multiply
    142,828.58x = 214,257.07 × 52,895.36
  4. Step 4: Simplify right side
    142,828.58x = 11,333,203,845.03
  5. Step 5: Solve for x
    x = 11,333,203,845.03/142,828.58
  6. Step 6: Final answer
    x = 79,348.29

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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.