Home / 165,827.80-248,741.70-55,005.40

Finding the Fourth Proportional to 165,827.80, 248,741.70 and 55,005.40

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Solution

The fourth proportional to 165,827.80, 248,741.70 and 55,005.40 is: 82,508.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,827.80 : 248,741.70 = 55,005.40 : x
  2. Step 2: Convert to fraction form
    165,827.80/248,741.70 = 55,005.40/x
  3. Step 3: Cross multiply
    165,827.80x = 248,741.70 × 55,005.40
  4. Step 4: Simplify right side
    165,827.80x = 13,682,136,705.18
  5. Step 5: Solve for x
    x = 13,682,136,705.18/165,827.80
  6. Step 6: Final answer
    x = 82,508.10

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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.