Home / 152,071.44-209,855.32-84,091.28

Finding the Fourth Proportional to 152,071.44, 209,855.32 and 84,091.28

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Solution

The fourth proportional to 152,071.44, 209,855.32 and 84,091.28 is: 116,044.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,071.44 : 209,855.32 = 84,091.28 : x
  2. Step 2: Convert to fraction form
    152,071.44/209,855.32 = 84,091.28/x
  3. Step 3: Cross multiply
    152,071.44x = 209,855.32 × 84,091.28
  4. Step 4: Simplify right side
    152,071.44x = 17,647,002,473.61
  5. Step 5: Solve for x
    x = 17,647,002,473.61/152,071.44
  6. Step 6: Final answer
    x = 116,044.16

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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.