Home / 165,725.10-248,782.05-164,558.70

Finding the Fourth Proportional to 165,725.10, 248,782.05 and 164,558.70

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Solution

The fourth proportional to 165,725.10, 248,782.05 and 164,558.70 is: 247,031.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,725.10 : 248,782.05 = 164,558.70 : x
  2. Step 2: Convert to fraction form
    165,725.10/248,782.05 = 164,558.70/x
  3. Step 3: Cross multiply
    165,725.10x = 248,782.05 × 164,558.70
  4. Step 4: Simplify right side
    165,725.10x = 40,939,250,731.34
  5. Step 5: Solve for x
    x = 40,939,250,731.34/165,725.10
  6. Step 6: Final answer
    x = 247,031.08

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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.